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saw5 [17]
3 years ago
8

Help on question 11. A) please

Mathematics
1 answer:
lana [24]3 years ago
7 0
They didn't follow PEMDAS. according to pemdas, exponents come first (since there are no parentheses here), so they were right to simplify 4^2 to 16. However, multiplication and division come before addition and subtraction, which means they should have multiplied 5 by 3 and then subtracted the product from 16.

So, the work really should have shown 16-15=1.
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2 years ago
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3 years ago
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