Question: Area Code An area code consists of three digits. How many area codes are possible if (a) there are no restrictions and (b) the first

Area Code An area code consists of three digits. How many area codes are possible if

(a) there are no restrictions and

(b) the first digit cannot be a 1 or a 0?

(c) What is the probability of selecting an area code at random that ends in an odd number if the first digit cannot be a 1 or a 0?

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