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31 March, 04:33

What is 2.5 * 104 * 3 * 102?

A. 5.0 * 108

B. 5.5 * 106

C. 7.5 * 106

D. 7.5 * 108

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Answers (1)
  1. 31 March, 04:58
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    I assume these are scientific notation thus 10^x not 10x

    first multiply all numbers together

    so 2.5*10^4*3*10^2

    or 25000*300

    so you get 7500000.0

    move the decimal to 7.5

    which is 6 places

    the answer is c 7.5*10^6
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