Class 10th math exercise 2.2 question 2 July 8, 2019 16 32 64 128 Class 10th subject math exercise 2.2 question number 2 Class 10th math chapter 2 exercise 2.2 question number 1 Question number 14 exercise 5.2 Unit 3 lesson 10 cumulative practice problems Lesson 10 homework 5.2 Lesson 10 homework 2.4