22-02-2016
Mathematics

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which do I use first I said parentheses but it was wrong

which do I use first I said parentheses but it was wrong class=

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Panoyin Panoyin

22-02-2016

You have to use exponents before you have to use the paratheses.

8 + 3(7² × 4) - 5 ÷ 2
8 + 3(49 + 4) - 5 ÷ 2
8 + 3(53) - 5 ÷ 2
8 + 159 - 5 ÷ 2
167 + 5 ÷ 2
162 ÷ 2
81

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