document.write( "Question 285967: which expression is eqivalent to 7 square root of 90?
\n" ); document.write( "(1) 16 sqaure root 10
\n" ); document.write( "(2) 21 square root 10
\n" ); document.write( "(3) 70 square root 9
\n" ); document.write( "(4) square root 630 \n" ); document.write( "

Algebra.Com's Answer #207358 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"7%2Asqrt%2890%29+=+7%2Asqrt%289%2A10%29\"$
\n" ); document.write( " $\"7%2Asqrt%289%2A10%29+=+7%2Asqrt%289%29%2Asqrt%2810%29\"$
\n" ); document.write( " $\"7%2Asqrt%289%29%2Asqrt%2810%29+=+7%2A3%2Asqrt%2810%29\"$
\n" ); document.write( " $\"7%2A3%2Asqrt%2810%29+=+21%2Asqrt%2810%29\"$
\n" ); document.write( "The answer is (2)
\n" ); document.write( " \n" ); document.write( "

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