Ex 11.1, 6 - Chapter 11 Class 7 Exponents and Powers

Last updated at April 16, 2024 by

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Transcript

Ex 11.1, 6 Simplify: (i) 2 × 103 2 × 103 = 2 × 10 × 10 × 10 = 2 × 1000 = 2000 Ex 11.1, 6 Simplify: (ii) 72 × 22 72 × 22 = 7 × 7 × 2 × 2 = 49 × 4 = 196 Ex 11.1, 6 Simplify: (iii) 23 × 5 23 × 5 = 2 × 2 × 2 × 5 = 4 × 10 = 40 Ex 11.1, 6 Simplify: (iv) 3 × 44 3 × 44 = 3 × 4 × 4 × 4 × 4 = 12 × 16 × 4 = 16 × 12 × 4 = 192 × 4 = 768 Ex 11.1, 6 Simplify: (v) 0 × 102 0 × 102 = 0 × 10 × 10 = 0 × 10 = 0 Ex 11.1, 6 Simplify: (vi) 52 × 33 52 × 33 = 5 × 5 × 3 × 3 × 3 = 25 × 9 × 3 = 225 × 3 = 675 Ex 11.1, 6 Simplify: (vii) 24 × 32 24 × 32 = 2 × 2 × 2 × 2 × 3 × 3 = 4 × 4 × 9 = 16 × 9 = 144 Ex 11.1, 6 Simplify: (viii) 32 × 104 32 × 104 = 3 × 3 × 10 × 10 × 10 × 10 = 9 × 10000 = 90000 = 90,000

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.