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Mathematics 15 Online
OpenStudy (anonymous):

A student ID number is a letter of the alphabet followed by 2 digits. How many different IDs are possible if the digits can be repeated? A. 2,600 B. 46 C. 2,340 D. 6,760

OpenStudy (goldphenoix):

Hmm. I'm not sure if this is the answer. But I did 26 * 99. Do you know how I came up with that multiplication?

OpenStudy (goldphenoix):

Actually. 26 * 100. Do you know how I came up with that?

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