Exercise 8.2 class 10 question 4 July 8, 2019 16 32 64 128 Exercise 8.2 class 10 question 1 part 4 Class 10 maths exercise 8.2 question 4 Lesson 8 practice problems Lesson 10 homework 4.3 Unit 5 lesson 10.1 Lesson 10 homework 2.4 Unit 3 lesson 10 cumulative practice problems