NCERT Solutions for Class 9 Maths Chapter 1 Number Systems Ex 1.5 helps you understand the concepts given in the chapter. All our solutions are prepared according to the new patterned NCERT Book and syllabus. This exercise explains the laws of exponents for real numbers. Solving class 9 maths NCERT solutions exercise 1.5 will help you to understand the chapter conceptually and ultimately help you to ascend marks in the exams.