Question

The exponent on a when a^2 is multiplied by a5 is
A. 3
B. 7
C. 10

Answer 1

7

Step-by-step explanation: When multiplying a number where both has exponent you add the exponent. a^5 * a^2 is the same thing as a^5+2 which is a^7.

Answer 2

B

Explanation:

`a^2\cdot a^5= \\\\a^(2+5)= \\\\a^7`

Therefore, the correct answer is 7. Hope this helps!