When subtracting or adding two numbers in scientific notation, why do the exponents need to be the same?

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01-07-2017
Biology

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When subtracting or adding two numbers in scientific notation, why do the exponents need to be the same?

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chantalmckoy chantalmckoy · Answer 1 · 2017-07-01T03:35:02+02:00

chantalmckoy chantalmckoy

01-07-2017

When adding and subtracting exponents in scientific notation, the exponents have to be the same because the exponents need to match the place value of the base.

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