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#