Hello,
We know that
3×10^5= 3 EE 5
Change 80,000 to the scientific notation
8×10^4
Doing the same like 3×10^5, I can get 8 EE 4
Change 5000 to the scientific notation
5×10^3
Then it will appeared as 5 EE 3. Hope it help!
I think it's B I might be wrong I hope it helped
Your income is the money you receive or acquire it's the inflow and your total expenses are the money you spent it's the outflow