Posted by
**Jen** on
.

A social security number consists of nine digits. How many different social security numbers are possible if repetition of digits is permitted?

Oh goodness, I'm not sure what number to start with :(

Monday

March 27, 2017
Posted by
**Jen** on
.

A social security number consists of nine digits. How many different social security numbers are possible if repetition of digits is permitted?

Oh goodness, I'm not sure what number to start with :(

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