CBSE Class 6 > Class 6 Notes > Mathematics > RD Sharma Solutions: Knowing Our Numbers (Exercise 1.9)
RD Sharma Solutions Class 6 Maths Knowing Our Numbers - Exercise 1.9 PDF
Q. Simplify each of the following:
1. 7 × 109
2. 6 × 112
3. 9 × 105
4. 17 × 109
5. 16 × 108
6. 12 × 105
7. 102 × 103
8. 101 × 105
9. 109 × 107
Ans:
1. On simplification of 7 × 109 we get
7 × 109 = 763.
2. On simplification of 6 × 112 get
6 × 112 = 672.
3. On simplification of 9 × 105 we get
9 × 105 = 945.
4. On simplification of 17 × 109 we get
17 × 109 = 1853.
5. On simplification of 16 × 108 we get
16 × 108 = 1728.
6. On simplification of 12 × 105 we get
12 × 105 = 1260.
7. On simplification of 102 × 103 we get
102 × 103 = 10506.
8. On simplification of 101 × 105 we get
101 × 105 = 10605.
9. On simplification of 109 × 107 we get
109 × 107 = 11663.
The document RD Sharma Solutions: Knowing Our Numbers (Exercise 1.9) is a part of the Class 6 Course Mathematics for Class 6.
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FAQs on RD Sharma Solutions: Knowing Our Numbers (Exercise 1.9)
| 1. What is the importance of knowing our numbers in mathematics? |  |
Ans. Knowing our numbers is crucial in mathematics as it forms the foundation for solving more complex problems involving calculations, measurements, and data analysis.
| 2. How can knowing our numbers help in everyday life? | |
Ans. Understanding numbers helps in various practical tasks such as budgeting, shopping, cooking, and keeping track of time, ensuring efficiency and accuracy in daily activities.
| 3. What are the different types of numbers that we should be familiar with? | |
Ans. Some important types of numbers include natural numbers, whole numbers, integers, rational numbers, and irrational numbers, each serving different mathematical purposes.
| 4. Why is it important to have a strong grasp of basic arithmetic operations? | |
Ans. Basic arithmetic operations such as addition, subtraction, multiplication, and division are essential for performing calculations in various fields, including science, engineering, finance, and everyday problem-solving.
| 5. How can knowing our numbers improve our problem-solving skills? | |
Ans. Proficiency in numbers enables individuals to analyze situations, identify patterns, make logical deductions, and arrive at solutions systematically, enhancing their problem-solving capabilities in different contexts.
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May 21, 2026 Last updated
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