Question

Estimate the difference by rounding each number to the nearest ten. 728.25-403.1

Answer 1

728.25=>728.3
728.3-403.1=325.2

Answer 2

330

Explanation:

Round a number to the nearest ten means find a multiple of ten that is the closest to that number. In this case, for 728.25 the nearest ten is 730 and for 403.1 is 400. Then, the difference can be estimated subtracting these two rounded numbers as follows: 730 - 400 = 330.