document.write( "Question 668549: A student is told to work on 7 out of 10 questions on an exam. In how many different ways can he complete the exam? \n" ); document.write( "

Algebra.Com's Answer #415661 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Since it apparently doesn't matter which order he works on the 7 problems he does select, you need the number of Combinations of 10 things taken 7 at a time.\r
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is the number of combinations of

things taken

at a time and is calculated by

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\n" ); document.write( "\n" ); document.write( "Plug in the numbers and do the arithmetic.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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$\"The$

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