RBSE Solutions for Class 8 Maths Chapter 3 Powers and Exponents Ex 3.3 is part of RBSE Solutions for Class 8 Maths. Here we have given Rajasthan Board RBSE Class 8 Maths Chapter 3 Powers and Exponents Exercise 3.3.
| Board | RBSE |
| Textbook | SIERT, Rajasthan |
| Class | Class 8 |
| Subject | Maths |
| Chapter | Chapter 3 |
| Chapter Name | Powers and Exponents |
| Exercise | Exercise 3.3 |
| Number of Questions | 3 |
| Category | RBSE Solutions |
Rajasthan Board RBSE Class 8 Maths Chapter 3 Powers and Exponents Ex 3.3
Question 1.
Change In the standard form
(i) 128000000
(ii) 1680000000
(iii) 0.0005
(iv) 0.00000017
(v) 0.000000000397
(vi) 0.00000004358
Solution
(i) 128000000
= 1.28 x 100000000
= 1.28 x 108
(ii) 1680000000
= 1.68 x 1000000000
= 1.68 x 109
Question 2.
Express the following numbers in normal form
(i) 4 × 109
(ii) 245 × 107
(iii) 5.61729 × 107
(iv) 8.5 × 10-6
(v) 3.02 × 10-6
(vi) 7 × 10-4
Solution
(i) 4 x 109 = 4 × 1000000000
= 4000000000
(ii) 245 × 107
= 245 x 10000000
= 2450000000
(iii) 5.61729 × 107
= 5.61729 × 10000000
= 56172900
Question 3.
Change the numbers In standard form of the following statements
(i) Diameter of the(RBSESolutions.com)thickness of human hair is 0.0002 cm approx.
(ii) Charge on an electron is 0.000,000,000,000,000,00016 coulomb.
(iii) 1 Micron = \(\frac { 1 }{ 1000000 }\) metre.
(iv) Thickness of a paper = 0.0016 cm.
Solution
(i) 0.0002
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