Ex 11.3, 4 (c) - Chapter 11 Class 7 Exponents and Powers

Last updated at August 14, 2026 by

Express in standard form - Diameter of the Earth is 1,27,56,000 m. - Ex 11.3

 

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Ex 11.3, 4 Express the number appearing in the following statements in standard form. (c) Diameter of the Earth is 1,27,56,000 m. 1,27,56,000 = 12756 × 〖10〗^3 = (1.2756 × 〖10〗^4) × 〖10〗^3 = 1.2756 × 〖10〗^4 × 〖10〗^3 = 1.2756 × 〖10〗^(4 + 3) = 1.2756 × 〖10〗^7 Answer is 1.2756 × 〖𝟏𝟎〗^𝟕 m (Using am × an = am + n) Answer is 3.84 × 〖𝟏𝟎〗^𝟖 m (Using am × an = am + n)

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