This is a set of GMAT PS and DS problems concerning exponents and roots. If you struggle with these problems then you might want to take a content quiz on the fundamentals of exponents and roots. You have 30 mins to complete the 15 questions

Absolute Value
Algebra
Arithmetic
Automaticity
Back Solving
chall
Challenge Problem
Circles
Combinatorics
Data Sufficiency
Divisibility
Double Set Matrix
Exponents and Roots
Factorials
Factoring
FDP's
Geometry
GMAT
Grammar 101
Khan Academy
LCM
Math Facts
Number Properties
Official Guide
Overlapping Sets
Picking Numbers
Polygons
Problem Solving
Problem Solving Strategy
Quadratic Equations
Quantitative Comparison
Question Bank
Quiz
Quizzes
Rate Problems
Sentence Correction
Strategy
Study Tips
Subject-Verb Agreement
Triangles
Unofficial Guide
Venn Diagrams
Video