Ask a Question
Search
everywhere
only in this topic
Advanced Search
Exponent and solving for variable
Classic
List
Threaded
♦
♦
Locked
2 messages
Anonymous
Reply

Threaded
Open this post in threaded view
♦
♦

Exponent and solving for variable
If 5 to the second power times 5r equals 225, what is r?
AlgebraHouse
Reply

Threaded
Open this post in threaded view
♦
♦

Re: Exponent and solving for variable
Anonymous wrote
If 5 to the second power times 5r equals 225, what is r?
5^2(5r) = 225
25(5r) = 225 {evaluated 5^2 to be 25}
125r = 225 {multiplied 35 by 5}
r = 1.8
{divided both sides by 125}
 Algebra House
Click here to leave a tip for Algebra House!
Free forum by Nabble
Edit this page