document.write( "Question 495593: (8.1 · 107) · (4.2 · 109) \r
\n" ); document.write( "\n" ); document.write( "Use scientific notation to multiply the following two numbers. Express the answer using scientific notation; retain all nonzero decimal places.
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Algebra.Com's Answer #336119 by stanbon(75887)\"\" \"About 
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(8.1 · 107) · (4.2 · 109)
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\n" ); document.write( "= (8.1x10^7)(4.2x10^9)
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\n" ); document.write( "= 34.02x10^17
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\n" ); document.write( "= 3.402x10^18
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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