Check sibling questions

Ex 13.1, 6 - Simplify: (i) 2 x 10^3 (ii) 7^2 x 2^2 (iii) 2^3 x 5

Ex 13.1, 6 - Chapter 13 Class 7 Exponents and Powers - Part 2
Ex 13.1, 6 - Chapter 13 Class 7 Exponents and Powers - Part 3
Ex 13.1, 6 - Chapter 13 Class 7 Exponents and Powers - Part 4
Ex 13.1, 6 - Chapter 13 Class 7 Exponents and Powers - Part 5
Ex 13.1, 6 - Chapter 13 Class 7 Exponents and Powers - Part 6
Ex 13.1, 6 - Chapter 13 Class 7 Exponents and Powers - Part 7
Ex 13.1, 6 - Chapter 13 Class 7 Exponents and Powers - Part 8

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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

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.