document.write( "Question 599765: This is a scientific notation what is 4.o times 10^-3 subtracted by 2.5 times 10^-3 \n" ); document.write( "
Algebra.Com's Answer #379064 by Alan3354(69443)\"\" \"About 
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This is a scientific notation what is 4.o times 10^-3 subtracted by 2.5 times 10^-3
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\n" ); document.write( "If you mean
\n" ); document.write( "\"4%2A10%5E-3+-+2.5%2A10%5E-3+=+1.5%2A10%5E-3\"
\n" ); document.write( "If the exponents are the same, you just subtract.
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