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22 August, 18:56

Multiply (4.7 x 104) by (6.4 x 1015). Express your answer in scientific notation.

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Answers (2)
  1. 22 August, 19:07
    0
    (4.7 x 10^4) by (6.4 x 10^15)

    4.7 * 6.4 = 30.08

    10^4 * 10^15 = 10^19

    so

    (4.7 x 10^4) by (6.4 x 10^15)

    = 30.08 x 10^19

    = 3.008 x 10^20

    answer: 3.008 x 10^20 in scientific notation.
  2. 22 August, 22:21
    0
    The answer will be 3.008 x 10^20
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