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Use rounding or compatible numbers to estimate the sum of 87+34

Use rounding or compatible numbers to estimate the sum of 87+34
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Use rounding or compatible numbers to estimate the sum of 87+34

User Alastair Irvine
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2 Answers

2 votes
If you round you would do 90 plus 30 which equals 120.
User MitchellK
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8.8k points
4 votes
121 right because 87+34 is 121 but do i have to round the number
User Tinytree
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