Estimate the sum or difference in each of the following by using (i) rounding and (ii) front-end estimation. Then perform the computations to see how close your estimates are to the actual answers. a. 62.52 21.99 14.88 + 16.33 Find the actual sum. b. 87.48 - 33.11 a. Estimate the sum by rounding to the nearest ten (i). (Simplify your answer.) Estimate the sum by front-end estimation (ii). (Simplify your answer.) (Simplify your answer.) Find the actual difference. *** (Type an integer or a decimal.) C. (Type an integer or a decimal.) b. Estimate the difference by rounding to the nearest ten (i). (Simplify your answer.) Estimate the difference by front-end estimation (ii). + 5.16 6.28 9.14 4.74 d. 224.96 - 86.29

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