Expanded and exponential form?

Question

800,000,500,000. Work too please.

Answer 1

exponential form

8.000005 * 10^11

expanded form

8*10^11 + 5*10^5

Answer 2

800,000,500,000

that is expanded

exponential form is

8.000005 x 10^11

or

8.000005 e11

(no work to show, just look at it and count places)