Acomputer's hard disk drive holds 8 x 10^10 bytes of information. if jill buys an extra memory stick that holds 5.1 x 10^8 bytes of information, how much memory will the computer hold all together?

The computer will store 8.05 *10^10 bytes of information.

Explanation:

This is the same as saying that the computer will now have 80.51 Gigabytes ( 1gb = 1.000.000.000 bytes) of storage. In this case, the number is represented in its decimal form, and the previous one is displayed in Scientific Notation.