Question

Estimate 17.411-3.66 by first rounding to the nearest tenth

Answer 1

Answer: 21.1

Step-by-step explanation:

Rounding 17.411: Find the number in the tenth place  4  and look one place to the right for the rounding digit  1 . Round up if this number is greater than or equal to  5  and round down if it is less than  5 . = 17.4

Rounding 3.66: Find the number in the tenth place  6  and look one place to the right for the rounding digit  6 . Round up if this number is greater than or equal to  5  and round down if it is less than  5 . = 3.7

Add 17.4+3.7 and get 21.1