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Arrange in ascending order: 25, 33, 23 × 2, (33)2, 35, 40, 23 × 31 - Mathematics

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Question

Arrange in ascending order:

25, 33, 23 × 2, (33)2, 35, 40, 23 × 31

Sum

Solution

In ascending order, the numbers are arranged from smallest to largest.

We have, 25 = 2 × 2 × 2 × 2 × 2 = 32

33 = 3 × 3 × 3 = 27

23 × 2 = 2 × 2 × 2 × 2 = 16

(33)2 = 33 × 2   ......[∴ (am)n = amn]

36 = 3 × 3 × 3 × 3 × 3 × 3 = 729

35 = 3 × 3 × 3 × 3 × 3 = 243

4° = 1  ......[∴ a0 = 1]

And 23 × 31 = 2 × 2 × 2 × 3 = 24

Thus, the required ascending order will be 4° < 23 × 2 < 23 × 31 < 33 < 25 < 35 < (33)2.

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Chapter 11: Exponents and Powers - Exercise [Page 343]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 11 Exponents and Powers
Exercise | Q 66. | Page 343

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