math
posted by Lisa on .
Name the property that is illustrated.
A. 7x6=6x7
B. 7+(1+9)=(7+1)+9

A. The commutative property of multiplication. (states that order of the factors does not affect the product in multiplication).
B. The associative property of addition. (states that grouping symbols, or parenthesis, does not affect the sum in addition problems).