Formula to calculate 500 million user + 5% increase a year for X years

Question

I know I can do 500 million + 5% for each year.

But is there an easy formula to get 500 million starting value with a 5% increase a year for X years? Say I wanna know the increase in 10 years and don't want to keep doing 500 + 5% = Y + 5% = Z + 5% (etc)..

Answer 1

x = number of years

500(1.05)^x