1. Class 10
  2. Solutions of Sample Papers for Class 10 Boards
  3. CBSE Class 10 Sample Paper for 2019 Boards

Question 6 - CBSE Class 10 Sample Paper for 2019 Boards

Last updated at Nov. 22, 2018 by

Question 6

After how many decimal places will the decimal expansion of 23/(2 4 × 5 3 ) terminate?

Slide15.JPG

Slide16.JPG

  1. Class 10
  2. Solutions of Sample Papers for Class 10 Boards

    3. CBSE Class 10 Sample Paper for 2019 Boards

    CBSE Class 10 Sample Paper for 2018 Boards →

Transcript

Question 6 After how many decimal places will the decimal expansion of 23/(2^4 × 5^3 ) terminate? 23/(2^4 × 5^3 ) = 23/(2^4 × 5^3 ) × 5/5 = (23 × 5)/((2^4 × 5^4)) = 105/(2 × 5)^4 = 105/(10)^4 = 0.0105 So, after 4 decimal places, the number will terminate

Class 10
Solutions of Sample Papers for Class 10 Boards

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
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.