peytanpb08 peytanpb08

12-05-2020
Mathematics

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Let b = 7.
What is the value of the expression 462 +b-5?
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TheBlueFox TheBlueFox

12-05-2020

Start by plugging in 7 in for b in the expression.

So we have 46² + (7) - 5.

Now, PEMDAS tells you to deal with

your exponents before multiplying.

So 46² means 46 · 46 or 2,116.

So we have 2,116 + (7) - 5.

Now add 2,116 + 7 to get 2,123.

Now subtract 5 to get 2,118.

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