Answer:
60
Step-by-step explanation:
First we divide 5 from 20 then we get 4 so 4 x 15 would be 60.
Answer:

Step-by-step explanation:
Given (AB )^T= B^T. A^T;
To prove this expression, we need to apply multiplication law, power law and division law of indices respectively, as shown below.

6 divided by 1/4 = 24 + 12 divided by 1/4 = 48, then 48 + 24 = 72
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Answer:
6
Step-by-step explanation:
12/2=6/1=6