Question

Simplify 7(2.3x10^11) and write in scientific
notation

Answer 1

The answer: 1.4* 10^12
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Step-by-step explanation:
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Note: a * (b * c) = (a * b) * c ;
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7(2.3* 10^11) = (7) * 2.3 * 10^ 11 = 14.1 * 1^ 11; or 1.4 * 10^12
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Answer 2

The simplified version:

1.61*10^12

Sorry, but I have no idea what scientific notation is...