Ex 13.3, 3 - Chapter 13 Class 7 Exponents and Powers - Part 6

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

Transcript

Ex 13.3, 3 Express the following numbers in standard form: (vi) 3908.78 3908.78 = 390878/100 = 390878 × 1/100 = (3.90878 × 〖10〗^5) × 1/(〖10〗^2 ) = 3.90878 × 〖10〗^5/〖10〗^2 = 3.90878 × 〖10〗^(5 − 2) = 3.90878 × 〖𝟏𝟎〗^𝟑 ("Using " 𝑎^𝑚/𝑎^𝑛 " = " 𝑎^(𝑚 − 𝑛) " " )

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Davneet Singh
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.