A computer’s hard drive holds 7.0 x 10^7 bytes of information. Tina buys a memory stick that holds 2.0 x 10^8 bytes of information. How much memory will the computer have altogether?
A. 1.3 x10^7
B. 1.3 x10^8
C. 13x10^8
D. 1.3 x10^6