Answer:
The powers of 10 they are multiplied by.
Explanation:
Since there base number is 42, and zeros are determined by the multiplication of 10, they are different based on the power of 10 they are multiplied by. If you've heard of scientific notation, the equations for both numbers are different based on the power of 10 they are multiplied by. In this one, the base is 42, and the powers of 10 are different.