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How do you use PEMDAS to simplify $1 - 2 + 2^{2}$ $1 - 2 + 2^2$ ?

1 Answer

Apr 17, 2018

$3$ $3$

Explanation:

$1 - 2 + 2^{2}$ $1-2+2^2$

$:.=1-2+(2xx2)$

$:.=1-2+4$

$:.=-1+4$

$:.=3$

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