This application is an interactive guide with 5 multiple-choice questions and their solutions. Learning of mathematics helps to understand reality and provides tools to function in everyday life.It is part of a new project, Mathematics for Secondary Education.This project involves the development of 4 units of the Ministry of Education programThis interactive guide enables the content, Unit Algebra. "Apply exponential model in solving the problem."Visit our website www.nuestroaprendizaje.com for other applications in Android.Ivan Muñoz Gjurovic