Five hundred million.
It is fifty lakh crore.
500000000
500000000
five hundred million
4000000000 + 500000000 + 80000000
4000000000 + 500000000 + 80000000
5 x 108
It is: 5.0*10^8 in standard form or scientific notation
900 + 500000000 = 500000900
500000000 x 798000000 = 399,000,000,000,000,000
526,043,000