document.write( "Question 588027: I have a problem with another like the first, but this makes no sense to me ata all. The section says use the rule a√b*c√d=ac√bd. Using this the problem is:
\n" ); document.write( "10√8*3√10= ?
\n" ); document.write( "I tried several times using this rule above and I got the answer 30√80
\n" ); document.write( "to show how I came to that conclusion, I broke it down a step at a time as follows: (10*3)√(8*10)= 30√80, however the book tells me the answer is 120√5. How do I get the answer they are showing, or is my answer actually correct. I am confused. Plase help, THANK YOU! \n" ); document.write( "

Algebra.Com's Answer #374341 by Alan3354(69443) $\"\"$ $\"About$

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I have a problem with another like the first, but this makes no sense to me ata all. The section says use the rule a√b*c√d=ac√bd. Using this the problem is:
\n" ); document.write( "10√8*3√10= ?
\n" ); document.write( "I tried several times using this rule above and I got the answer 30√80
\n" ); document.write( "to show how I came to that conclusion, I broke it down a step at a time as follows: (10*3)√(8*10)= 30√80, however the book tells me the answer is 120√5.
\n" ); document.write( "------------------
\n" ); document.write( " $\"30%2Asqrt%2880%29+=+30%2Asqrt%2816%2A5%29+=+30%2Asqrt%2816%29%2Asqrt%285%29\"$
\n" ); document.write( "= $\"30%2A4%2Asqrt%285%29\"$
\n" ); document.write( "= $\"120sqrt%285%29\"$
\n" ); document.write( " \n" ); document.write( "

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