expand 2.707785173e+34
No really, I have no idea what you want me to do.
There is no way you can expand this other than writing out the number e, which makes no sense.
2.707785173e+34
2 . 7 0 7 7 8 5 1 7 3 e + 3 4
I think that you got it right the first time reinout. lol