# Ex 13.1, 6 - Chapter 13 Class 7 Exponents and Powers

Last updated at Dec. 18, 2018 by Teachoo

Last updated at Dec. 18, 2018 by Teachoo

Transcript

Ex 13.1, 6 Simplify: (i) 2 × 103 2 × 103 = 2 × 10 × 10 × 10 = 2 × 1000 = 2000 Ex 13.1, 6 Simplify: (ii) 72 × 22 72 × 22 = 7 × 7 × 2 × 2 = 49 × 4 = 196 Ex 13.1, 6 Simplify: (iii) 23 × 5 23 × 5 = 2 × 2 × 2 × 5 = 4 × 10 = 40 Ex 13.1, 6 Simplify: (iv) 3 × 44 3 × 44 = 3 × 4 × 4 × 4 × 4 = 12 × 16 × 4 = 16 × 12 × 4 = 192 × 4 = 768 Ex 13.1, 6 Simplify: (v) 0 × 102 0 × 102 = 0 × 10 × 10 = 0 × 10 = 0 Ex 13.1, 6 Simplify: (vi) 52 × 33 52 × 33 = 5 × 5 × 3 × 3 × 3 = 25 × 9 × 3 = 225 × 3 = 675 Ex 13.1, 6 Simplify: (vii) 24 × 32 24 × 32 = 2 × 2 × 2 × 2 × 3 × 3 = 4 × 4 × 9 = 16 × 9 = 144 Ex 13.1, 6 Simplify: (viii) 32 × 104 32 × 104 = 3 × 3 × 10 × 10 × 10 × 10 = 9 × 10000 = 90000 = 90,000

Ex 13.1

Ex 13.1, 1

Ex 13.1, 2 Important

Ex 13.1, 3 (i)

Ex 13.1, 3 (ii)

Ex 13.1, 3 (iii)

Ex 13.1, 3 (iv)

Ex 13.1, 4 (i) Important

Ex 13.1, 4 (ii)

Ex 13.1, 4 (iii)

Ex 13.1, 4 (iv)

Ex 13.1, 4 (v)

Ex 13.1, 5 (i)

Ex 13.1, 5 (ii)

Ex 13.1, 5 (iii)

Ex 13.1, 5 (iv)

Ex 13.1, 6 You are here

Ex 13.1, 7 Important

Ex 13.1, 8 (i) Important

Ex 13.1, 8 (ii)

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.