Answer:
associative property
Step-by-step explanation:
we know that
According to the associative property of the sum, the sum of three or more numbers remains the same independently of how the numbers are grouped
so
[tex]a+(b+c)=(a+b)+c[/tex]
In this problem we have that
[tex]16+(70+8)=(16+70)+8[/tex] ----> by associative property of the sum
