(7*10^8)-(4*10^6)

Answer 1

(7*10^8)-(4*10^6) can be simplified as follows:

7*10^8 = 7,000,000,000 (since 10^8 = 100,000,000)
4*10^6 = 4,000,000

Therefore, (7*10^8)-(4*10^6) can be calculated as:

7,000,000,000 - 4,000,000 = 6,996,000,000