# Chapter P, Prerequisites - Section P.3 - Integer Exponents and Scientific Notation - P.3 Exercises: 57

(a) 32 (b) 1000000

#### Work Step by Step

(a) $\frac{18^5}{9^5}=(\frac{18}{5})^5=2^5=32$ (b) $20^6*(0.5)^6=(20*0.5)^6=10^6=1000000$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.