Question

what is 46.78 - 18.55 estimate each sum of difference

Answer 1

u estimate 46.78 to 47 and 18.55 to 19, so  47-19 is 28.

Answer 2

You would round 46.78 to 47 and round 18.55 to 19.Then yog would subract 47-19 and you get 26