Question

Write 140 as the product of its prime factors.

Answer 1

$140:\bold{2}=70\\\\70:\bold{2}=35\\\\35:\bold{5}=7\\\\7:\bold{7}=\underline{1}$

so:

$140=2\cdot2\cdot5\cdot7=\boxed{2^2\cdot5\cdot7}$

Answer 2

Answer:

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Step-by-step explanation: