Posted by **Jen** on Tuesday, July 26, 2011 at 7:26pm.

An identification code is to consist of six letters followed by three digits. How many different codes are possible if repetition is permitted?

Is it 6^3??

- Math -
**Anonymous**, Tuesday, July 26, 2011 at 8:01pm
Use the rule of product (26 letters, 10digits):this number=26^6*10^3

- Math -
**Jen**, Tuesday, July 26, 2011 at 8:36pm
SO IT WOULD BE 3.08915776^11??

- Math -
**Anonymous**, Tuesday, July 26, 2011 at 9:44pm
No, it would be

308915776000=3.08915776*10^11

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