Final answer:
To estimate the sum of decimals, round each decimal to the nearest whole number and then add them together.
Step-by-step explanation:
To estimate the sum of the decimals, you need to round each decimal to the nearest whole number and then add them together.
For example, 7.176 rounded to the nearest whole number is 7, 8.586 rounded to the nearest whole number is 9, and 5.698 rounded to the nearest whole number is 6. Adding these, you get 7 + 9 + 6 = 22.
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