Here you will find Chapter 13 Exponents and Powers Exercise 13.3 NCERT Solutions which are useful in learning complex topics and problems in an easy way. It is very challenging to score good marks in tests that is why we have prepared NCERT Solutions for Class 7 Maths. It will serve as beneficial tool that can be used to recall various questions any time. In Exercise 13.3, you have to write the numbers in expanded form.