License plates: In a certain state, license plates consist of three digits from 0 to 9 followed by four letters. Assume the

Question

License plates: In a certain state, license plates consist of three digits from 0 to 9 followed by four letters. Assume the numbers and letters are chosen at random. Replicates are allowed.
(a) How many different license plates can be formed?
The number of different license plates is
(b) How many different license plates have the letters K-E-M-P in that order?

Kunduz · Accepted Answer

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