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October 9, 2015
Posted by **Jessica** on Sunday, September 9, 2012 at 10:22pm.

- chemistry -
**DrBob222**, Sunday, September 9, 2012 at 11:04pmIf you do it on your calculator it does all of that for you. If you are doing it manually, it is

2.8 x 8.8 = 24.64

Then !0^7 x 10^4 = 10^11

So the answer is 24.64 x 10^11 and we would rearrange that to 2.464 x 10^12