Answer:
6
Step-by-step explanation:
Commutative means that you can mix up the numbers, but still have the right answer.
2 x 10 x 7 =
2 x 7 x 10 =
10 x 2 x 7 =
10 x 7 x 2 =
7 x 2 x 10 =
7 x 10 x 2
Hope this helps :)
Answer:
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
(a)
AB = AO + OB = - a + b = b - a
(b)
OP = OA + AP = a + (b - a ) = a + b - a = a - b