Direction: Is the given statement correct ? If not, give reason.
20×40=40×20
Using the commutative property of multiplication.
Let aand b are whole numbers.
Then, a×b=b×a ⇒20×40=40×20
So, the statement is correct.
Direction: Are the given statements correct ? If not, give reasons.
(72-36)-20=72-(36-20)
Direction: Is the given statement correct? If not, give reason.
(100+10)+8=100+(10+8)