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  1. Chapter 13 Class 7 Exponents and Powers
  2. Concept wise

Transcript

Example 13 Express the following numbers in the standard form: (ii) 65,950 ("Using " ๐‘Ž^๐‘šร—๐‘Ž^๐‘› " = " ๐‘Ž^(๐‘š + ๐‘›) " " ) Example 13 Express the following numbers in the standard form: (iii) 3,430,000 3,430,000 = 343 ร— 104 = (3.43 ร— ใ€–10ใ€—^2) ร— 104 = 3.43 ร— ใ€–10ใ€—^2 ร— ใ€–10ใ€—^4 = 3.43 ร— ใ€–10ใ€—^(2 + 4) = 3.43 ร— ใ€–๐Ÿ๐ŸŽใ€—^๐Ÿ” ("Using " ๐‘Ž^๐‘šร—๐‘Ž^๐‘› " = " ๐‘Ž^(๐‘š + ๐‘›) " " ) Example 13 Express the following numbers in the standard form: (iv) 70,040,000,000 70,040,000,000 = 7004 ร— 107 = (7.004 ร— ใ€–10ใ€—^3) ร— 107 = 7.004 ร— ใ€–10ใ€—^3 ร— ใ€–10ใ€—^7 = 7.004 ร— ใ€–10ใ€—^(3 + 7) = 7.004 ร— ใ€–๐Ÿ๐ŸŽใ€—^๐Ÿ๐ŸŽ

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.