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520 X 63 estimate to check for reasonableness
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520 X 63 estimate to check for reasonableness

User Healyhatman
by
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1 Answer

5 votes
Explanation: First, we round the two numbers.

520=520
63=60

Then, we multiply.

520 x 60= 31,200

Our final answer would be around 31,200.
User Gretel
by
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