Question

what property is demonstrated a(3*5*7=7*5*3 b)(3+5)+7=3+(5+7)

Answer 1

\[3\times 5\times 7=7\times 5\times 3\] numbers changed order
that is called the "commutative property" of multiplication

Answer 2

for the second one, the numbers stay in the same order, but the parentheses move
that is the "associative property"

Answer 3

thanks

Answer 4

yw