A certain CD-ROM disk can store approximately 6.0\times 10^(2) megabytes of information, where 10^(6) bytes =1 megabyte. If an average word requires 9.0 bytes of storage, how many words can be stored on one disk?
2.0\times 10^(9) words
6.7\times 10^(7) words
5.4\times 10^(9) words
2.1\times 10^(7) words