# Rational exponents: unit fractions

Evaluate numerical expressions with unit-fraction exponents or radicals, and convert between the two forms of representations.

If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content
# Rational exponents: unit fractions

### Problem

Evaluate numerical expressions with unit-fraction exponents or radicals, and convert between the two forms of representations.