Ex 13.3, 4 - Chapter 13 Class 7 Exponents and Powers - Part 4

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  1. Chapter 13 Class 7 Exponents and Powers
  2. Serial order wise

Transcript

Ex 13.3, 4 Express the number appearing in the following statements in standard form. (d) Diameter of the Sun is 1,400,000,000 m. 1,400,000,000 = 14 × 〖10〗^8 = (1.4 × 10) × 〖10〗^8 = 1.4 × 〖10〗^1 × 〖10〗^8 = 1.4 × 〖10〗^(1 + 8) = 1.4 × 〖10〗^9 Answer is 1.4 × 〖𝟏𝟎〗^𝟗 m (Using am × an = am + n)

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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.