How do you simplify $2 + 3 times 5^2 - 7$ using order of operations?

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Answer 1 · 2018-03-21T09:39:45

$70$

$2+3xx5^2-7$

depending on which acronym you use

PEDMAS, BODMAS, BIDMAS

1) brackets first, there are no brackets to handle here.

2) powers/indices

we have $5^2$

so

$=2+3xx25-7$

3) no division

4) multiplication

$=2+75-7$

5) Addition

$=77-7$

6) subtraction

$=70$

How do you simplify 2 + 3 times 5^2 - 72 + 3 times 5^2 - 7 using order of operations?