Mathematics for IGCSE & O level - Indices 2 (Section 2 - No. 42)

What is the value of ( (rac{1}{3})^{-2} )?

(rac{1}{9})

(rac{1}{6})

The negative exponent inverts the base and then squares it: ((rac{1}{3})^{-2} = (rac{3}{1})^2 = 3^2 = 9).