Question: A pizza chain wants to send codes for $2 off a large pizza to the subscribers of its e-mail list. Each coupon code will
A pizza chain wants to send codes for $2 off a large pizza to the subscribers of its e-mail list. Each coupon code will have three letters followed by two digits. The letters M, N, and o and the digits 1, 3, 5, and 7 will not be used. So, there are 23 letters and 6 digits that will be used. Assume that the letters and digits can be repeated. How many such coupon codes can be generated?
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