Posted by **Celina** on Sunday, November 21, 2010 at 11:27pm.

You are setting a system programing codes for a universal TV remote control. Each code will have five digits and cannot include a 0 or repeat any digits. How many codes

a)do not contain a 7?

b)have 3 as the third digit, and 5 as the fifth digit

c)begin with an even digit?

d)begin and end with an even digit?

Please show all work.

Thank you for all the help that is provided:)

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