Question

Regroup the numbers using the Associative Property and then add.

Answer 1

For 7) you can just move the parenthesis around the 3.6 and 0.4 so that it would look like this :

(3.6 + 0.4) + 0.25

You can do the same thing for number 8 and make it

(2
`(6)/(10)` +
`(4)/(10)` ) +
`(4)/(5)`