A social security number is a 9-digit number like 243-47-0825. a) How many different social security numbers
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a) How many different social security numbers can there be?
b) There are about 310 million people in the United States. Can each person have a unique social security number?
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a Since repetition is allowed each digit can be chose...View the full answer
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Related Book For
College Algebra Graphs and Models
ISBN: 978-0321845405
5th edition
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
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