Alexa's Hair Grows with an Average Speed of 3

Multiple Choice

Alexa's hair grows with an average speed of 3.5 × 10^-9 m/s. How long does it take her hair to grow 0.30 m? Note: 1 yr = 3.156 × 10⁷ s.

A) 1.9 yr
B) 1.3 yr
C) 0.37 yr
D) 5.4 yr
E) 2.7 yr