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Metric Prefix Flashcards: All 24 SI Names, Symbols & Powers of Ten

Learn all 24 current SI prefixes with 72 flashcards for name, case-sensitive symbol, and power-of-ten recall.

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These metric prefix flashcards cover all 24 SI prefixes currently recognized by NIST, from quetta at 10^30 to quecto at 10^-30. The 72 cards practice exactly three mappings for every prefix: name to case-sensitive symbol and power of ten; symbol to name and power of ten; and power of ten to name and case-sensitive symbol.

Case matters. M is mega while m is milli, and P/p, Z/z, Y/y, R/r, and Q/q also represent different prefixes. Each front labels the cue and requested mapping, so a bare symbol or exponent stays unambiguous on mixed-review and standalone surfaces. Each back starts with the answer.

The deterministic sequence begins with familiar metric prefixes, expands toward the extremes, and interleaves all three recall directions. Variants of the same prefix stay far apart, with at least three unrelated cards between them. Confusing uppercase and lowercase symbols are separated too.

This is a focused metric prefix quiz, not a full SI course. It excludes conversions, full decimal expansions, SI base and derived units, unit examples, pronunciation and spelling drills, IEC or binary prefixes, historical prefixes, and 10^0, which has no prefix. There are no card images.

The NIST Metric (SI) Prefixes page supplies the factual ledger. The prompts, answers, selection structure, metadata, sequence, and generated cover were independently authored; no NIST prose, examples, layout, or media were copied. Facts aren't claimed as proprietary. The original wording, organization, metadata, and cover are dedicated under CC0 1.0 to the extent applicable rights exist.

Independent study deck. Not affiliated with or endorsed by NIST.

這個牌組的閃卡

  1. 閃卡 1

    問題

    SI prefix name: kilo → case-sensitive symbol + power of ten

    答案

    k

    10310^{3}

  2. 閃卡 2

    問題

    SI prefix symbol (case-sensitive): M → name + power of ten

    答案

    mega

    10610^{6}

  3. 閃卡 3

    問題

    SI prefix power:

    10−210^{-2}

    → name + case-sensitive symbol

    答案

    centi

    c

  4. 閃卡 4

    問題

    SI prefix name: nano → case-sensitive symbol + power of ten

    答案

    n

    10−910^{-9}

  5. 閃卡 5

    問題

    SI prefix symbol (case-sensitive): h → name + power of ten

    答案

    hecto

    10210^{2}

  6. 閃卡 6

    問題

    SI prefix power:

    10−610^{-6}

    → name + case-sensitive symbol

    答案

    micro

    μ

  7. 閃卡 7

    問題

    SI prefix name: peta → case-sensitive symbol + power of ten

    答案

    P

    101510^{15}

  8. 閃卡 8

    問題

    SI prefix symbol (case-sensitive): d → name + power of ten

    答案

    deci

    10−110^{-1}

  9. 閃卡 9

    問題

    SI prefix power:

    10−310^{-3}

    → name + case-sensitive symbol

    答案

    milli

    m

  10. 閃卡 10

    問題

    SI prefix name: tera → case-sensitive symbol + power of ten

    答案

    T

    101210^{12}

  11. 閃卡 11

    問題

    SI prefix symbol (case-sensitive): p → name + power of ten

    答案

    pico

    10−1210^{-12}

  12. 閃卡 12

    問題

    SI prefix power:

    10110^{1}

    → name + case-sensitive symbol

    答案

    deka

    da

  13. 閃卡 13

    問題

    SI prefix name: giga → case-sensitive symbol + power of ten

    答案

    G

    10910^{9}

  14. 閃卡 14

    問題

    SI prefix symbol (case-sensitive): f → name + power of ten

    答案

    femto

    10−1510^{-15}

  15. 閃卡 15

    問題

    SI prefix power:

    101810^{18}

    → name + case-sensitive symbol

    答案

    exa

    E

  16. 閃卡 16

    問題

    SI prefix name: atto → case-sensitive symbol + power of ten

    答案

    a

    10−1810^{-18}

  17. 閃卡 17

    問題

    SI prefix symbol (case-sensitive): Z → name + power of ten

    答案

    zetta

    102110^{21}

  18. 閃卡 18

    問題

    SI prefix power:

    10−2410^{-24}

    → name + case-sensitive symbol

    答案

    yocto

    y

  19. 閃卡 19

    問題

    SI prefix name: ronna → case-sensitive symbol + power of ten

    答案

    R

    102710^{27}

  20. 閃卡 20

    問題

    SI prefix symbol (case-sensitive): q → name + power of ten

    答案

    quecto

    10−3010^{-30}

  21. 閃卡 21

    問題

    SI prefix power:

    10−2110^{-21}

    → name + case-sensitive symbol

    答案

    zepto

    z

  22. 閃卡 22

    問題

    SI prefix name: yotta → case-sensitive symbol + power of ten

    答案

    Y

    102410^{24}

  23. 閃卡 23

    問題

    SI prefix symbol (case-sensitive): r → name + power of ten

    答案

    ronto

    10−2710^{-27}

  24. 閃卡 24

    問題

    SI prefix power:

    103010^{30}

    → name + case-sensitive symbol

    答案

    quetta

    Q

  25. 閃卡 25

    問題

    SI prefix name: milli → case-sensitive symbol + power of ten

    答案

    m

    10−310^{-3}

  26. 閃卡 26

    問題

    SI prefix symbol (case-sensitive): k → name + power of ten

    答案

    kilo

    10310^{3}

  27. 閃卡 27

    問題

    SI prefix power:

    10210^{2}

    → name + case-sensitive symbol

    答案

    hecto

    h

  28. 閃卡 28

    問題

    SI prefix name: micro → case-sensitive symbol + power of ten

    答案

    μ

    10−610^{-6}

  29. 閃卡 29

    問題

    SI prefix symbol (case-sensitive): G → name + power of ten

    答案

    giga

    10910^{9}

  30. 閃卡 30

    問題

    SI prefix power:

    10−110^{-1}

    → name + case-sensitive symbol

    答案

    deci

    d

  31. 閃卡 31

    問題

    SI prefix name: centi → case-sensitive symbol + power of ten

    答案

    c

    10−210^{-2}

  32. 閃卡 32

    問題

    SI prefix symbol (case-sensitive): T → name + power of ten

    答案

    tera

    101210^{12}

  33. 閃卡 33

    問題

    SI prefix power:

    10610^{6}

    → name + case-sensitive symbol

    答案

    mega

    M

  34. 閃卡 34

    問題

    SI prefix name: deka → case-sensitive symbol + power of ten

    答案

    da

    10110^{1}

  35. 閃卡 35

    問題

    SI prefix symbol (case-sensitive): n → name + power of ten

    答案

    nano

    10−910^{-9}

  36. 閃卡 36

    問題

    SI prefix power:

    10−1210^{-12}

    → name + case-sensitive symbol

    答案

    pico

    p

  37. 閃卡 37

    問題

    SI prefix name: exa → case-sensitive symbol + power of ten

    答案

    E

    101810^{18}

  38. 閃卡 38

    問題

    SI prefix symbol (case-sensitive): a → name + power of ten

    答案

    atto

    10−1810^{-18}

  39. 閃卡 39

    問題

    SI prefix power:

    10−2710^{-27}

    → name + case-sensitive symbol

    答案

    ronto

    r

  40. 閃卡 40

    問題

    SI prefix name: yocto → case-sensitive symbol + power of ten

    答案

    y

    10−2410^{-24}

  41. 閃卡 41

    問題

    SI prefix symbol (case-sensitive): P → name + power of ten

    答案

    peta

    101510^{15}

  42. 閃卡 42

    問題

    SI prefix power:

    102110^{21}

    → name + case-sensitive symbol

    答案

    zetta

    Z

  43. 閃卡 43

    問題

    SI prefix name: quetta → case-sensitive symbol + power of ten

    答案

    Q

    103010^{30}

  44. 閃卡 44

    問題

    SI prefix symbol (case-sensitive): R → name + power of ten

    答案

    ronna

    102710^{27}

  45. 閃卡 45

    問題

    SI prefix power:

    10−1510^{-15}

    → name + case-sensitive symbol

    答案

    femto

    f

  46. 閃卡 46

    問題

    SI prefix name: zepto → case-sensitive symbol + power of ten

    答案

    z

    10−2110^{-21}

  47. 閃卡 47

    問題

    SI prefix symbol (case-sensitive): Y → name + power of ten

    答案

    yotta

    102410^{24}

  48. 閃卡 48

    問題

    SI prefix power:

    10−3010^{-30}

    → name + case-sensitive symbol

    答案

    quecto

    q

  49. 閃卡 49

    問題

    SI prefix name: mega → case-sensitive symbol + power of ten

    答案

    M

    10610^{6}

  50. 閃卡 50

    問題

    SI prefix symbol (case-sensitive): c → name + power of ten

    答案

    centi

    10−210^{-2}

  51. 閃卡 51

    問題

    SI prefix power:

    10310^{3}

    → name + case-sensitive symbol

    答案

    kilo

    k

  52. 閃卡 52

    問題

    SI prefix name: hecto → case-sensitive symbol + power of ten

    答案

    h

    10210^{2}

  53. 閃卡 53

    問題

    SI prefix symbol (case-sensitive): μ → name + power of ten

    答案

    micro

    10−610^{-6}

  54. 閃卡 54

    問題

    SI prefix power:

    10−910^{-9}

    → name + case-sensitive symbol

    答案

    nano

    n

  55. 閃卡 55

    問題

    SI prefix name: deci → case-sensitive symbol + power of ten

    答案

    d

    10−110^{-1}

  56. 閃卡 56

    問題

    SI prefix symbol (case-sensitive): m → name + power of ten

    答案

    milli

    10−310^{-3}

  57. 閃卡 57

    問題

    SI prefix power:

    10910^{9}

    → name + case-sensitive symbol

    答案

    giga

    G

  58. 閃卡 58

    問題

    SI prefix name: pico → case-sensitive symbol + power of ten

    答案

    p

    10−1210^{-12}

  59. 閃卡 59

    問題

    SI prefix symbol (case-sensitive): da → name + power of ten

    答案

    deka

    10110^{1}

  60. 閃卡 60

    問題

    SI prefix power:

    101210^{12}

    → name + case-sensitive symbol

    答案

    tera

    T

  61. 閃卡 61

    問題

    SI prefix name: quecto → case-sensitive symbol + power of ten

    答案

    q

    10−3010^{-30}

  62. 閃卡 62

    問題

    SI prefix symbol (case-sensitive): E → name + power of ten

    答案

    exa

    101810^{18}

  63. 閃卡 63

    問題

    SI prefix power:

    10−1810^{-18}

    → name + case-sensitive symbol

    答案

    atto

    a

  64. 閃卡 64

    問題

    SI prefix name: zetta → case-sensitive symbol + power of ten

    答案

    Z

    102110^{21}

  65. 閃卡 65

    問題

    SI prefix symbol (case-sensitive): y → name + power of ten

    答案

    yocto

    10−2410^{-24}

  66. 閃卡 66

    問題

    SI prefix power:

    101510^{15}

    → name + case-sensitive symbol

    答案

    peta

    P

  67. 閃卡 67

    問題

    SI prefix name: ronto → case-sensitive symbol + power of ten

    答案

    r

    10−2710^{-27}

  68. 閃卡 68

    問題

    SI prefix symbol (case-sensitive): Q → name + power of ten

    答案

    quetta

    103010^{30}

  69. 閃卡 69

    問題

    SI prefix power:

    102410^{24}

    → name + case-sensitive symbol

    答案

    yotta

    Y

  70. 閃卡 70

    問題

    SI prefix name: femto → case-sensitive symbol + power of ten

    答案

    f

    10−1510^{-15}

  71. 閃卡 71

    問題

    SI prefix symbol (case-sensitive): z → name + power of ten

    答案

    zepto

    10−2110^{-21}

  72. 閃卡 72

    問題

    SI prefix power:

    102710^{27}

    → name + case-sensitive symbol

    答案

    ronna

    R

Concentric luminous rings and nested translucent forms expanding from a warm center on a deep blue background.

72 張閃卡

Metric Prefix Flashcards: All 24 SI Names, Symbols & Powers of Ten

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