Question

Round to the nearest whole number and cluster to give an estimate for 15.23 + 12.8 + 4.93 + 7.21.

Answer 1

40

Explanation:

15.23 + 12.8 + 4.93 + 7.21

27.31 + 12.34

39.65

round the number to a whole number

40

Answer 2

the answer is 40

Explanation:

15.23+12.8+4.93+7.21=40.17 then you round 40.17 to 40