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Need help with this question-example-1
User Alex Beals
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2 Answers

10 votes

Answer:

Compatible numbers

Explanation:

Compatible numbers are pairs of numbers that are easy to add, subtract, multiply, or divide mentally. When using estimation to approximate a calculation, replace actual numbers with compatible numbers. ... An estimate of 513 + 299 is found by mentally calculating 500 + 300 = 800.

User Mallikarjun
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12 votes

Answer:I believe that it is the first one

User Ayman Elshehawy
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