How are 420 and 4200 different

The powers of 10 they are multiplied by.

Step-by-step 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.

420 is in the hundreds while 4200 is in the thousands