Help finding t?

Question

549100=499400*1.024^t

Answer 1

1.024^t = 549100/499400 = ~1.1

1.024^t = 1.1

if you can take a log base 1.024 (Excel can):

t = log1.024 1.1

t = ~4

if not, you can use natural logs or log base 10

t ln 1.024 = ln 1.1

t = ln 1.1 / ln 1.024 = ~4