What Is the [OH⁻] for a Solution at 25°C That

What is the [OH⁻] for a solution at 25°C that has pH = 4.29?

A) 1.4 × 10 ⁻² M
B) 5.l × 10 ⁻⁵ M
C) 1.9 × 10 ⁻¹⁰ M
D) 7.3 × 10 ⁻¹³ M
E) 9.71 M