document.write( "Question 167069: (2.5 multiplied by 10 to the 7th power)+(5.5 multiplied by 10 to the 6th power) \n" ); document.write( "
Algebra.Com's Answer #123039 by Alan3354(69443)\"\" \"About 
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(2.5 multiplied by 10 to the 7th power)+(5.5 multiplied by 10 to the 6th power)
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\n" ); document.write( "To add or subract, the elements have to have the same exponent. Change the 1st one to 6th power.
\n" ); document.write( "2.5*10^7 + 5.5*10^6
\n" ); document.write( "= 25*10^6 + 5.5*10^6
\n" ); document.write( "= 30.5*10^6
\n" ); document.write( "= 3.05*10^7 (standard scientific notation)
\n" ); document.write( "Also, 3.05E7 (often used by programmers)
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