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22-10-2019
Mathematics

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3 · 3^2 + 8 ÷ 2 − (4 + 3)

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22-10-2019

3^2 + 8 ÷ 2 − (4 + 3)

Use PEMDAS

P=parenthesis

E= exponents

M= multiplication

D= division

A= addition

S= subtraction

do parenthesis

3^2 + 8 ÷ 2 − (4+3)

(4+3)=7

3^2+8 ÷ 2 -7

exponents next

3^2= 3*3=9

division

8 ÷ 2=4

9+4= 13

subtraction

13-7=6

Answer:

6

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