SOLUTION: An area code consists of three digits. How many area codes are possible if: a) There are no restrictions? b) The first digit cannot be a 1 or a 0? Thank you.

SOLUTION: An area code consists of three digits. How many area codes are possible if: a) There are no restrictions? b) The first digit cannot be a 1 or a 0? Thank you.

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Question 1027700: An area code consists of three digits. How many area codes are possible if:
a) There are no restrictions?
b) The first digit cannot be a 1 or a 0?
Thank you.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
A)
B)

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