Question

cynthia was asked to subtract 0.223 from 0.54. which of the following is the best estimate that cynthia can make to check her answerA 0.4 - 0.2B 0.5 - 0.2C 0.5 - 0.1D 0.6 - 0.2

Answer 1

Choice B: 0.5 - 0. 2

Step-by-step explanation:

To make the best estimate for the value of the expression. We say

`0.54\approx0.5`

and

`0.233\approx0.2`

therefore, the subtraction becomes

`0.54-0.233\approx0.5-0.2`

Hence, the correct choice is B: 0.5 - 0. 2