A product code is a string of 2 characters followed by 2 digits, or of 1 character followed by 3 digits. What would be the total number of product codes if only the first 6 alphabet characters are used?
Added by Yolanda W.
Step 1
- There are 6 choices for the second character. - There are 10 choices for each of the two digits. - Therefore, the total number of product codes for this case is 6 * 6 * 10 * 10 = 3600. Show more…
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