Question

which expression would be to easier simplify if you used the associative property to change the grouping. (160+40)+270.85+[0.15+(-4/5)][(-1/3)+(-2/3)]+(-4/5) 1+[3/4+(-1/4)]

Answer 1

In the option:

0.85+[0.15+(-4/5)]

if you regroup as follows:

[0.85+0.15]+(-4/5)

the expression is easier to simplify