You have to do whats in the parentheses from left to right then subtract the answer you get by 20
(9x10) - (30+30)
90 - 60 = 30
8 x (12+5) -7^2
17
17-49
18 x -32
= -576.
You have to use pemdas for your check off
P=parentheses
E=exponet
M=multiplication
D=division
A=add
S=subtrabt
HOPE IM CORRECT
9 to the 3 half power is 27. Hope that's what your wanting to know.
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Answer:
0.3%
Step-by-step explanation:
80-50=30
30÷100
=0.3%
I believe its C
Hoped I help :)
And have a nice day/weekend :)
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