document.write( "Question 572920: What positive number is 3 times its cube root? \n" ); document.write( "
Algebra.Com's Answer #368573 by TutorDelphia(193)\"\" \"About 
You can put this solution on YOUR website!
You need to be pretty good with exponents to do this problem. \r
\n" ); document.write( "\n" ); document.write( "First let's write the problem in equation form:
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\n" ); document.write( "\"n=3n%5E%281%2F3%29\"
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\n" ); document.write( "Divide both sides by \"n%5E%281%2F3%29\"
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\n" ); document.write( "\"n%5E1%2Fn%5E%281%2F3%29=3\"
\n" ); document.write( "use the exponent power rule to 1-1/3=2/3
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\n" ); document.write( "\"n%5E%282%2F3%29=3\"
\n" ); document.write( "Take both sides to the 3/2 power
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\n" ); document.write( "\"n=3%5E%283%2F2%29\"
\n" ); document.write( "simplify this:
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\n" ); document.write( "\"n=sqrt%2827%29\"\r
\n" ); document.write( "\n" ); document.write( "And to check, \"3%2A%2827%5E%281%2F2%29%29%5E%281%2F3%29\" =~5.196 and \"sqrt%2827%29\"=~5.196\r
\n" ); document.write( "\n" ); document.write( "because both equal \"3%2Asqrt%283%29\"
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