16 squared with explanation.

256

Step-by-step explanation:

Multiply 16 by 16.

You bet 256, right?

The answer is 256 now.

Hope it helps!

Formula: multiply number you have x number you have.

43,690.

Step-by-step explanation:

The common ratio r is 8/2 = 32/8 = 4.

Sum of n terms = a1 * (r^n - 1) / (r - 1).

a1 = 2 and r = 4 so

Sum of 8 terms = 2 *(4^8 - 1) / (4 - 1)

= 2 * 65535 / 3

= 43,690.