document.write( "Question 130512This question is from textbook Saxon Math course 1
\n" ); document.write( ": A seven digit phone number consists of a three-digit prefix followed by four digits. How many different phone numbers are possible for a particular prefix? \n" ); document.write( "
Algebra.Com's Answer #95307 by edjones(8007)\"\" \"About 
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How many ways can 10 numbers be arranged 4 at a time? Duplication is allowed and order of the numbers is important.
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