If a K⁰ Meson at Rest Decays in 0

Multiple Choice

If a K⁰ meson at rest decays in 0.80 × 10−¹⁰ s,how far will a K⁰ meson moving at 0.96c travel through a bubble chamber? (c​ = 3.00 × 10⁸ m/s)

A) 8.2E-2 m
B) 2.3E-2 m
C) 6.5E-3 m
D) 1.2E-1 m
E) ​4.6E-3 m