3 over the power of 2 multiply by 3 over the power of 5

3^2 * 3^5 = 3^7

Step-by-step explanation:

I assume you mean this:

If so, then the rule is that when you multiply two numbers with the same base, you give the same base and add the exponents.

14

step-by-step explanation:

14 x 3 = 42

step-by-step explanation:

*calories burned = (weight)(calorie factor)*

calories burned = 180 (0.65)

calories burned = 117

the calories he used up is 117, which is 65% of his weight.