How many 7 digit telephone numbers can be formed when her first digit is 8, the second digit must be 5, and the third digit must be a 2 or 3?

asked Aug 2, 2019 113k views

3 votes

by Dmjy

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1 vote

If you multiply them together shouldn't you get the answer of how many 7 digit telephone numbers can be formed?

Tanel Tammik answered Aug 6, 2019

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