Question

Which statement most accurately explains why 2^36/2^43 is equal to 1/2^7

Answer 1

A.
There were originally seven more 2s on the bottom of the expression, so there will be 7 more 2s on bottom after cancellation.
B.
There were originally seven more 2s on the top of the expression, so there will be 7 more 2s on bottom after cancellation.
C.
There were originally seven more 2s on the bottom of the expression, so there will be 7 more 2s on top after cancellation.
D.
There were originally seven more 2s on the top of the expression, so there will be 7 more 2s on top after cancellation.

Answer 2

B and D can be eliminated.