Simplify 2 to the 5th over 3 squared all raised to the 4th power. 2 to the 20th over 3 to the 8th 2 to the 9th over 3 to the 8th 8 to the 5th over 12 to the 2nd 2 over 3 to the 2nd

Simplify 2 to the 5th over 3 squared all raised to the 4th power. 2 to the 20th over 3 to the 8th 2 to the 9th over 3 to the 8th 8 to the 5th over 12 to the 2nd 2 over 3 to the 2nd.

A.
( 2^5 / 3^2 )^4
= 2^20
   3^8
= 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2
                             3 . 3 . 3 . 3 . 3 . 3 . 3 . 3
=        1,048, 576
               6561
B.
    2^9 
    3^8
=  2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2
      3 . 3 . 3 . 3 . 3 . 3 . 3 . 3
=  512
   6561

C.
 8^5
12^2

8 . 8 . 8 . 8 . 8
  12 . 12

=  32, 768  ÷ 16
       144        16

= 2,048
       9
D.
  2 
3^2
=   2   
   3 . 3
= 2
   9