RD Sharma Solutions for Class 7 Chapter 6 “Exponents”- A quantity representing the power in which a given number or expression is to be raised, usually expressed as a raised symbol beside the number or expression. In this chapter, we will learn about exponents and their uses. An expression that represents repeated multiplication of the same factor is called a power. Power is an expression that means the repeated multiplication of value or integer. In general, n is a power where a, is the base and n is the exponent.