(6.8 x 10^4)+(2.3 x 10^4) as a scientific notation?

Manjeet Barnala asked Sep 13, 2023

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Manjeet Barnala asked Sep 13, 2023

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9 votes

We have the fortune that the power of ten is equal in both adding up. So

$6.8\cdot10^4+2.3\cdot10^4=9.1\cdot10^4$

Because the integer before the dot is less than 10, we need not do modifications and our answer is 9.1x10^4.

Nvoigt answered Sep 18, 2023

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