Asked by Leslie
a phone company wants to create some new area codes. Each new area code will have 3 numbers. Using the digits 1, 5, and 7 only once in each code, how many new codes can the phone company create?
Answers
Answered by
Ms. Sue
157
175
571
517
715
751
Can you think of any others?
175
571
517
715
751
Can you think of any others?
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