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

Transcript

Ex 13.3, 3 Express the following numbers in standard form: (i) 5,00,00,000 5,00,00,000 = 5 ร ใ๐๐ใ^๐ Ex 13.3, 3 Express the following numbers in standard form: (ii) 70,00,000 70,00,000 = 7 ร ใ๐๐ใ^๐ Ex 13.3, 3 Express the following numbers in standard form: (iii) 3,18,65,00,000 3,18,65,00,000 = 31865 ร 105 = (3.1865 ร ใ10ใ^4) ร 105 = 3.1865 ร ใ10ใ^4 ร ใ10ใ^5 = 3.1865 ร ใ10ใ^(4 + 5) = 3.1865 ร ใ๐๐ใ^๐ ("Using " ๐^๐ร๐^๐ " = " ๐^(๐ + ๐) " " ) Ex 13.3, 3 Express the following numbers in standard form: (iv) 3,90,878 3,90,878 = 3.90878 ร 105 Ex 13.3, 3 Express the following numbers in standard form: (v) 39087.8 39087.8 = 390878/10 = 3.90878 ร ใ10ใ^5/10 = 3.90878 ร ใ10ใ^(5 โ 1) = 3.90878 ร ใ๐๐ใ^๐ ("Using " ๐^๐/๐^๐ " = " ๐^(๐ โ ๐) " " ) Ex 13.3, 3 Express the following numbers in standard form: (vi) 3908.78 3908.78 = 390878/100 = 390878 ร 1/100 = (3.90878 ร ใ10ใ^5) ร 1/(ใ10ใ^2 ) = 3.90878 ร ใ10ใ^5/ใ10ใ^2 = 3.90878 ร ใ10ใ^(5 โ 2) = 3.90878 ร ใ๐๐ใ^๐ ("Using " ๐^๐/๐^๐ " = " ๐^(๐ โ ๐) " " )

Standard Form