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tonipoo610

  • 2 years ago

would this be correct???

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  1. tonipoo610
    • 2 years ago
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    |dw:1352243991591:dw|

  2. tonipoo610
    • 2 years ago
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    this is scientific notation

  3. phi
    • 2 years ago
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    7 times 5.4 is not 35.8 |dw:1352244129589:dw|

  4. phi
    • 2 years ago
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    next, after you get 37.8 x 10^-1 you have to adjust the decimal point you want 3.78 (move the point to the left) when you make the 37.8 --> 3.78 you make it 10 times smaller. to compensate you make the 10^-1 ten times bigger (add 1 to the exponent) 3.78 x 10^0

  5. tonipoo610
    • 2 years ago
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    ohh yeah so do you always subtract 1 to the exponent

  6. phi
    • 2 years ago
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    we changed the exponent from -1 to 0 (we added 1, not subtracted)

  7. phi
    • 2 years ago
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    what you do to the exponent depends on the number if you got 0.378 x 10^-1 you want 3.78 so you make 0.378 bigger by multiplying by 10 to compensate, you make the 10^-1 smaller by dividing by 10 (subtract 1 from the exponent) you would get 3.78 x 10^-2

  8. phi
    • 2 years ago
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    practice helps...

  9. tonipoo610
    • 2 years ago
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    so you can't have a number less than 1 or greater than 10

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