document.write( "Question 513784: How many three-digit numbers can be formed using only the digits 0 and 5? \n" ); document.write( "
Algebra.Com's Answer #343196 by stanbon(75887)\"\" \"About 
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How many three-digit numbers can be formed using only the digits 0 and 5?
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\n" ); document.write( "1's digit: 6 ways
\n" ); document.write( "10's digit: 6 ways
\n" ); document.write( "100's digit: 5 ways
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\n" ); document.write( "Total number = 5*6*6 = 30*6 = 180 3-digit numbers
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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