Posted by Jessica on Sunday, September 9, 2012 at 10:22pm.
If 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