
Mark M. answered 03/21/15
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
f(t) = abt, where a = starting amount, b = rate, t = time
301,710 = 267,000b10
1.13 = b10
ln 1.13 = ln b10
ln 1.13 = 10 ln b
0.1222 ≈ 10 ln b
0.01222 ≈ ln b
1.012 ≈ b
The annual percentage rate is 1.012%