Question

Express your answer in scientific notation. 4.1 x 10^-2 - 2.6 x 10^-3

Answer 1

$(4.1 \times {10}^{ - 2}) - (2.6 \times {10}^{ - 3}) =$

$(4.1 \times {10}^{ - 2}) - (0.26 \times {10}^{ - 2}) =$

$Factoring \: \: {10}^{ - 2}$

$(4.1 - 0.26) \times {10}^{ - 2} =$

$3.84 \times {10}^{ - 2}$

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And we're done.

Thanks for watching buddy good luck.

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