A abbaskids New member Joined Aug 29, 2007 Messages 2 Aug 29, 2007 #1 2.5 X 10(-2 exponent) compared to 2.5 / 10(+2 exponent) the answer is =. I can't figure out how to divide the last part. 2.5 X 10(-2) = 0.025 ( i think) 2.5 / 10(+2) = ? I hope you can help.

2.5 X 10(-2 exponent) compared to 2.5 / 10(+2 exponent) the answer is =. I can't figure out how to divide the last part. 2.5 X 10(-2) = 0.025 ( i think) 2.5 / 10(+2) = ? I hope you can help.

skeeter Senior Member Joined Dec 15, 2005 Messages 2,396 Aug 29, 2007 #2 \(\displaystyle \L \frac{2.5}{10^2} = \frac{2.5}{100} = .025\) the point is ... \(\displaystyle \L 10^{-2} = \frac{1}{10^2}\)

\(\displaystyle \L \frac{2.5}{10^2} = \frac{2.5}{100} = .025\) the point is ... \(\displaystyle \L 10^{-2} = \frac{1}{10^2}\)

A abbaskids New member Joined Aug 29, 2007 Messages 2 Aug 29, 2007 #3 Thanx Thank you very much. It was so easy I was making it hard.