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What is 3,920,000,000,000 in scientific notation?

A. 3.92x10^10

B. 3.92x10^12

C. 3.92x10^-10

D. 3.92x10^-12

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  • GeorgeRobin

    The answer is B.) 3.9 * 10⁻¹².

    Whenever we convert a number to scientific notation, the resulting number should be in between 1 and 9. For this to happen, this means we have to move the decimal in between 3 and 9. Since we know that multiplying anything by 10 adds another zero, and that multiplying a decimal by 10 moves it up one place value, we have to move it back 12 spaces.