zatroexe zatroexe

11-09-2021
Chemistry

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Perform the following operation and express the answer in scientific notation. 1.26x104 + 2.50x104 [?]x10

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SatCompton SatCompton

11-09-2021

Since your multiplying by the same number, 104, both terms, you can group them like this:
104(1.26+2.50)
104(3.76)
391.04

Knowing that scientific notation needs to be a number x, that’s greater or equal to 1, and less then 10.
3.9104 * 10^2

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