Estimate a range for each sum.
7.8+31.39+6.95
How do I estimate a range??
round down and round up
7+31+6 < sum < 8+32+7
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To estimate a range for a sum, you can round the numbers to the nearest whole number and then add the rounded values.
For the given sum, we have:
- Round 7.8 to the nearest whole number: 8
- Round 31.39 to the nearest whole number: 31
- Round 6.95 to the nearest whole number: 7
Now, add the rounded values:
8 + 31 + 7 = 46
Therefore, the estimated range for the sum 7.8 + 31.39 + 6.95 is approximately 46.