document.write( "Question 278911: compute.choose the expresion that is equal to the given expression.\r
\n" ); document.write( "\n" ); document.write( "(4x10^4)(7x10^-6)\r
\n" ); document.write( "\n" ); document.write( "a)28x10^10
\n" ); document.write( "b)2.8x10^-1
\n" ); document.write( "c)2.8x10^-2
\n" ); document.write( "d)28x10^-24
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Algebra.Com's Answer #202873 by edjones(8007)\"\" \"About 
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(4x10^4)(7x10^-6)
\n" ); document.write( "=28*10^-2
\n" ); document.write( "=2.8*10^-1
\n" ); document.write( ".
\n" ); document.write( "Ed
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