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Testing123guest

  • one year ago

Divide (5.6 x 10^15) by (6.4 x 10^2). Express your answer in scientific notation. A) .875 x 10^17 B) .875 x 10^13 C) 8.75 x 10^12 D) 8.75 x 10^13

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  1. Testing123guest
    • one year ago
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    @Anna1448 @Kitten_is_back @Luigi0210 @Nnesha @undeadknight26 @welshfella

  2. welshfella
    • one year ago
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    ok first calculate 5.6 / 6.4

  3. Testing123guest
    • one year ago
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    0.875

  4. welshfella
    • one year ago
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    right now deal with the exponent part 10^15 / 10^2 = ?

  5. welshfella
    • one year ago
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    - subtract the exponents

  6. Testing123guest
    • one year ago
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  7. welshfella
    • one year ago
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    yes - but you need it in scientific notation

  8. Testing123guest
    • one year ago
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    is it a?

  9. welshfella
    • one year ago
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    i think you are guessing try to work out the following 10^15 / 10^2 = 10^(15-2) = ?

  10. welshfella
    • one year ago
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    law of exponents x^a / x^b = x^(a-b)

  11. Testing123guest
    • one year ago
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    sorry my computer crashed i am back now is the answer 10000000000000

  12. Testing123guest
    • one year ago
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    @welshfella

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