document.write( "Question 1201243: How many seven-digit local telephone numbers can be formed if the first three-digits are 169? \n" ); document.write( "
Algebra.Com's Answer #835524 by Alan3354(69443)\"\" \"About 
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How many seven-digit local telephone numbers can be formed if the first three-digits are 169?
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\n" ); document.write( "If the 1st 3 are fixed, it's not relevant what they are.
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\n" ); document.write( "The last 4 are 0 to 9 ---> 10^4 = 10,000.
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\n" ); document.write( "PS No local telephone numbers begin with 1.
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