document.write( "Question 295693: Perform the indicated operation. Write the answer in scientific notation.\r
\n" ); document.write( "\n" ); document.write( "(4.2 × 10-7)(1.8 × 10-5)
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Algebra.Com's Answer #213119 by nyc_function(2741)\"\" \"About 
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Multiply 4.2 by 1.8, keep 10 and add your exponents.\r
\n" ); document.write( "\n" ); document.write( "(4.2 × 10^-7)(1.8 × 10^-5) = 7.56 x 10^(-12)
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