document.write( "Question 302149: Locks combinations are made by using 4 digits. How many different lock combinations can be made if repetition of digits is allowed \n" ); document.write( "
Algebra.Com's Answer #216663 by stanbon(75887)\"\" \"About 
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Locks combinations are made by using 4 digits. How many different lock combinations can be made if repetition of digits is allowed
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\n" ); document.write( "1st digit: 10 ways
\n" ); document.write( "2nd digit: 10ways
\n" ); document.write( "3rd digit: 10 ways
\n" ); document.write( "4th digit: 10 ways
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\n" ); document.write( "Total way = 10^4 = 10,000
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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