GRE Quant Ep 2: Exponents

Under the time pressure of the GRE quant section, it can be easy to forget when you should add the exponents and when you should multiply them. Sometimes the techniques you need aren't obvious from your first glance at the question. So, how can you answer these questions accurately and quickly? In this video, Alex -- a GMAT Ninja tutor -- will show you how to think about GRE exponents questions efficiently and effectively. He'll break down the rules you need to know and give you a consistent approach to each question to help boost your score. This is video #2 in our series of full-length GRE quant lessons. For updates on upcoming videos, please subscribe! Want more GRE test-prep tips and advice? Subscribe to our YouTube channel: https://www.youtube.com/@GRENinjaTutoring For more information about GRE tutoring: https://www.gmatninja.com/ For updates on this series and our other projects: https://www.instagram.com/gmatninja/ For more on Alex Cotton, GMAT Ninja’s resident renaissance man, and beard-grooming expert: https://www.gmatninja.com/alex-cotton-nyc-gmat-gre-tutor Chapters: 00:00 Introduction 02:20 Question 1 - Powers of 3 09:41 Question 2 - Rationalizing the Denominator 14:38 Question 3 - Simplifying Radicals 20:46 Question 4 - Factorizing with Exponents 26:53 Question 5 - Smallest Integer n 32:14 Question 6 - Simplifying Expressions 46:47 Question 7 - Problem-Solving in Exponents 53:20 Question 8 - Combining the Rules