Hi There!
Question #1:
= 2^9 * 2^2 * 2^4
= 512 * 4 * 16
= 2,048 * 16
= 32,768
Lets check the answer choices:
2^15 = 32,768
We don't need to go any further because option A is correct.
Answer: A) 2^15
Question #3:
Formula: (base * height) / 2
6x * 7x / 2 = 21x
Answer: C) 21x^2
Hope This Helps :)