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anonymous

  • one year ago

How do I change this number to standard scientific notation 5.408?

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  1. anonymous
    • one year ago
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    @anitasonia98

  2. zzr0ck3r
    • one year ago
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    well, it is already almost there. You just need to write \(5.408\times 10^0\)

  3. anonymous
    • one year ago
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    really?

  4. zzr0ck3r
    • one year ago
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    yes, scientific notation is in the form \(a.bcde..\times 10^k\)

  5. zzr0ck3r
    • one year ago
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    in other words we only want one number before the decimal

  6. anonymous
    • one year ago
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    How do I write 72.41 x 10^-2 in standard scientific notaiton?

  7. zzr0ck3r
    • one year ago
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    if it were \(10.58\) then we would write \(1.058\times 10^{-1}\)

  8. anonymous
    • one year ago
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    Ooh Thanks

  9. zzr0ck3r
    • one year ago
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    we want one number in front of the decimal If you need to move the decimal to the left to make that happen, then you subtract one from the power of 10 if you need to move the decimal to the right then you add one to the power of 10

  10. freckles
    • one year ago
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    is it weird they must the word standard in front of scientific notation? seems like an extra word to me.

  11. zzr0ck3r
    • one year ago
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    I think standard means base 10?

  12. freckles
    • one year ago
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    so there is unstandard scientific notation? :p

  13. zzr0ck3r
    • one year ago
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    \(72.41\times 10^{-2}=7.241\times 10^{-3}\)

  14. zzr0ck3r
    • one year ago
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    I have no idea, but if there was a standard, surely it would be the one we know :)

  15. zzr0ck3r
    • one year ago
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    Maybe some Pigmy tribe uses something different.

  16. zzr0ck3r
    • one year ago
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    ps I have that backwards, if we move left add 1, if we move right subtract 1.

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