Note: This is the Solution of exercise 2.1 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Exercise 2.1 Question # 01: Express the following numbers in scientific notation. \((i)\) \(\quad\) \(2000000 \) \((ii)\) \(\quad\) \(48900 \) \((iii)\) \(\quad\) \( 0.0042\) \((iv)\) \(\quad\) \(0.0000009 \) \((v)\) … Read more
Note: This is the Solution of review exercise 1 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Review Exercise 1 Question # 01: Four option are given against each statement. Encircle the correct option. \((i)\)\(\quad\)\(\sqrt{7}\) is: \( a) \quad \) integer \( b) \quad \) … Read more
Note: This is the Solution of exercise 1.3 from newly published book by PCTB (Punjab Curriculum and Textbook Board, Pakistan) for new 9th session 2025 Onward. Exercise 1.3 Question # 01: The sum of three consecutive integers is forty two, find the three integers. Question # 02: The diagram shows right angled \(\triangle ABC\) in … Read more