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trojan2015 Group Title

Write 2120 in scientific notation.

  • 3 years ago
  • 3 years ago

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  1. LordHades Group Title
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    2.1 X 10^3

    • 3 years ago
  2. abdul_shabeer Group Title
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    2.12*10^3

    • 3 years ago
  3. LordHades Group Title
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    *assuming 1 sig fig

    • 3 years ago
  4. LordHades Group Title
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    sorry 2

    • 3 years ago
  5. chelbell409 Group Title
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    21.2*10^-2

    • 3 years ago
  6. trojan2015 Group Title
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    0_o

    • 3 years ago
  7. LordHades Group Title
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    The first 2 are correct. 'chelbell409' is not.

    • 3 years ago
  8. trojan2015 Group Title
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    ohh ok loool

    • 3 years ago
  9. chelbell409 Group Title
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    im sorry it 21.2x10^2

    • 3 years ago
  10. LordHades Group Title
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    scientific notation means only numbers between 1 and 10. Correct me if I'm wrong, but you go to school in Canada, possible ontario?

    • 3 years ago
  11. LordHades Group Title
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    possibly*

    • 3 years ago
  12. chelbell409 Group Title
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    y don`t you get your calculator out and check because the decimal can`t be 2 digits and i checked my work on a calculator

    • 3 years ago
  13. chelbell409 Group Title
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    and no i go to school i the usa

    • 3 years ago
  14. LordHades Group Title
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    "Any given number can be written in the form of a×10b in many ways; for example 350 can be written as 3.5×102 or 35×101 or 350×100." *from wikipedia.

    • 3 years ago
  15. LordHades Group Title
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    thats 10^2 and 10^1 and 10^0

    • 3 years ago
  16. LordHades Group Title
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    In scientific notation, the exponent b is chosen such that the absolute value of a remains at least one but less than ten (1 ≤ |a| < 10).

    • 3 years ago
  17. chelbell409 Group Title
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    did u check my answer on ur calculator

    • 3 years ago
  18. LordHades Group Title
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    Yeah, and its wrong. Here's my proof http://www.wolframalpha.com/input/?i=2120+scientific+notation

    • 3 years ago
  19. chelbell409 Group Title
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    ok watch 2120 212.0 *10 21.2*10^2 10 times 2 equals 100 21.2 times 100 equals 2120 which just so happens to be the number i started out with

    • 3 years ago
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