Question

Fiona is solving the problem. If she made a mistake in which step(s) did she make it?Solve: 25^x = ✓125Step 1: 25^x = 125^-2Step 2: 5^2x = 5^-6Step 3: 2x = -6Step 4: x = -3A) Step 1B) Step 2C) Step 3D) There is no mistake

Answer 1

Fiona made a mistake in Step 1 because:

$\sqrt[]{125}=125^{\frac{1}{2}}\text{ not }125^{-2}$