A zip-plus-4 postal code uses a 9-digit number like 75247-5456. How many 9-digit zip plus-4 postal codes

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A zip-plus-4 postal code uses a 9-digit number like 75247-5456. How many 9-digit zip plus-4 postal codes are possible?

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College Algebra Graphs And Models

ISBN: 9780134179032

6th Edition

Authors: Marvin Bittinger, Judith Beecher, David Ellenbogen, Judith Penna

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