Question 1

[(5 + 2)3]5
(9 − 2)10
Simplify the expression

Question 2

Answer:

105
70

Explanation:

1.

$[(5 + 2)3]5\\\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Calculate\:within\:parentheses}\:\left[\left(5+2\right)3\right]\::\quad 21\\\\=21*\:5\\\\\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:21*\:5\:\\:\quad 105$

2.

$(9-2)10\\\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Calculate\:within\:parentheses}\:\left(9-2\right)\::\quad 7\\\\= 7* 10\\\\\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:\\7*\:10\::\quad 70$

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