Wednesday

April 23, 2014

April 23, 2014

Posted by **Sarah** on Thursday, October 3, 2013 at 9:37pm.

- Math- urgent -
**Steve**, Friday, October 4, 2013 at 12:22amcan't add these numbers till you get their powers of 10 to match. So, doing that, we get

6.91x10^-2 - 0.24x10^-2 = 6.67x10^-2

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