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14. 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? Which of the following could be the first step in solving the problem?
A. 2.0 x10^8 -7.0 x10^7
B. 2.0x10^8 - 7.0 x10^8
C. 2.0 x10^7 -70 x10^8
D. 2.0x10^8 - 0.70 x10^8
15. 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

ehem,ehem,weh??bat iniskip,pakisagutan naman po oh,need ko lng.auto report mga acc nyo pag nonsense,brainlest ko ung medyo mvtino