Posted by noahc on Tuesday, February 12, 2013 at 11:28pm.
8.9
Remember pemdas
(100-7*2+3)÷10
7*2=14
100-10=86
86+5=91
91/10
9.1
pemdas--add to subtract left to right unless subtract is in front of the addition
(100-7•2+3)÷10
= (100 - 14 + 3)÷10
= 89/10
= 8.9
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