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12 May, 07:43

How many times larger is 2 x 10^10 than 5 x 10^6?

A. 4000

B. 4

C. 400

D. 40

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Answers (1)
  1. 12 May, 07:59
    0
    Divide the whole numbers:

    2 / 5 = 0.40

    When dividing scientific numbers subtract the exponents:

    10-6 = 4

    Now you have:

    0.4 x 10^4

    Rewrite to scientific notation:

    4 x 10^3

    Convert to standard form: 4000

    The answer is A.
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