Answer:
52 marbles i think
Step-by-step explanation:

To raise 4x/y to a power, raise the numerator and denominator to the power, and then divide.

Expand (4x)².

Calculates 4 to the power of 2 and gets 16.

Answer:
the answer would be A.
Step-by-step explanation:
Look for how many decimal places the decimal moved and thats how many 0's would be in your number