21+19=40;19+21=40 a commutative property or associative property
1 answer:
Answer:
it is a commutative property
You might be interested in
You have to estimate so it’s about 6 dollars for each cupcake (thank me later
Answer: yes no no
Step-by-step explanation: cuz cuz cuz then cuz
Answer:
c=4×$3.75
Step-by-step explanation:
It would be the problem above because c is the total which equals the total of 4×$3.75.
L = 0 bcause it cancels itself out