document.write( "Question 1170759: how many 3-letter words can be made from the letters MATH if \r
\n" ); document.write( "\n" ); document.write( "repetition of letters is allowed? \r
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Algebra.Com's Answer #795645 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( " It's asking if losing the letters M , A, T and H how many three letter words can we form using that? \r
\n" ); document.write( "\n" ); document.write( "So for a we are allowed to repeat were allowed to repeat this letter.
\n" ); document.write( "As our first letter, we're gonna go ahead and multiply it by the number of possibilities in our for our second letter. \r
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\n" ); document.write( "\n" ); document.write( "if \"repetition\" of letters is \"allowed\", there's four possibilities for the first letter, there's four possibilities for the second letter, and four possibilities for the third letter\r
\n" ); document.write( "\n" ); document.write( "multiply all of that:\"+4%2A4%2A4=+64\" possibilities\r
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\n" ); document.write( "\n" ); document.write( "if \"repetition+\"of letters is \"not\"\"+allowed\", you can use three distinct letters in\r
\n" ); document.write( "\n" ); document.write( " \"4%2A3%2A2=24+\"possibilities\r
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