Question

part A) use mental math to solve the proble 8.02- 5.98. part B) explain the method of mental math that you used to find the answer . Be specific with each step you took

Answer 1

Solution:

We have given that subtraction of 8.02-5.98 by using mental math:

These are the following steps I use it:

1 step: generally subtract it

2 step: I subtract decimals digits with decimal place

3 step I subtract once place digit with once place.

thus we get

$8.02-5.98=2.04$

Thus the required right answer is 2.04.