Mathematics Class 9 Chapter 2: Logarithms (scientific notation, common and natural logarithms, laws and applications)
Premium chapter
Chapter summary
Chapter 2 of Mathematics for Class 9 is called "Logarithms (scientific notation, common and natural logarithms, laws and applications)". It covers 3 learning outcomes of the Federal Board syllabus. You will learn to: express a number in scientific notations and vice versa; differentiate between common and natural logarithm. Parhayi.com has 309 MCQs, 67 short questions and 26 long questions for this chapter.
Topics in this chapter
- Express a number in scientific notations and vice versa
- Differentiate between common and natural logarithm
- Apply laws of logarithm to real life situations such as…
Sample questions
Try these questions from the chapter. The answers are for Premium students.
- A forest covers \(2.4\times10^{7}\) m². Each tree needs \(1.2\times10^{2}\) m² of space. What is the greatest number of trees that can grow in the forest? Give the answer in scientific notation. (3 marks)
- Solve \(\log_{2}(x^{2}-x)=1\) for \(x\). (3 marks)
- Find the value of \(x\), when \(\log_2(x^2-1)=3\) (4 marks)
What Premium gives you in this chapter
- 309 MCQs with answers and explanations
- 67 short questions with full answers
- 26 long questions with answers
- 14 Learn cards
- 10 Activities and games
- chapter tests that show your weak topics
Mathematics grows step by step. Read the rule, study one worked example, then solve similar questions yourself and check every step.
You have Premium
Use the buttons above to practise this chapter or take a test.