Question

Verify commutative property of multiplication for the following pairs of rational numbers: – 7 / – 20 and 5 / – 14​

Answer 1

Answer:

Answer is attached here.

Answer 2

Step-by-step explanation:

Answer

−7/−20 and 5/−14

−7/−20={−7×(−1)}/{−20×(−1)}

=7/20

Now, 7/20 and 5/−14

7/20×5/−14

=(7×5)/20×(−14)

=35/−280

and

5/−14×7/20

=(5×7)/(−14×20)

=35/−280

Therefore, 7/20×5/−14=5/−14×7/20.