PreCal
posted by Maisy on .
The population of Las Vegas, Nevada in 2000 was 478,000 and is increasing at the rate of 6.28% per year. At this rate, when will the population reach 1 million people?
a)1.51 years
b)2.32 years
c)12.12 years
d)10.84 years

solve for n
1 000 000 = 478 000(1.0628)^n
you will have to use logs 
1.51 years