easy-way-to-find-decimal-expansion-of-rational-numbers-rational-numbers-in-decimal-form

# Interactive video lesson plan for: Easy way to find decimal expansion of rational numbers | Rational numbers in decimal form

#### Activity overview:

Easy way to find decimal expansion of rational numbers | rational numbers in decimal form

http://www.learncbse.in/ncert-class-10-math-solutions/
http://www.learncbse.in/ncert-solutions-class-10th-maths-chapter-1-real-numbers/
http://www.learncbse.in/rd-sharma-class-10-solutions-chapter-1-real-numbers/

00:02 Q2. Write down the decimal expansions of those rational numbers in Question 1 above which have terminating decimal expansions.
00:05 (i)decimal expansion of 13/3125
01:05 Prime factorization of 3125 .
01:13 Convert Denominator in the form 2^n*5^n.
02:12 Write down the decimal expansion of rational number 13/3125

02:40 (ii) decimal expansion 17/8
03:03 Prime Factorization of 8.
03:16 prime factorisation of q(8) is of the form 2^n5^m, where n,m are non-negative integers.
03:29 Convert Denominator 8 in the form 2^n*5^n.
04:12 Write down the decimal expansion of rational number 17/8

04:25 (iv) decimal expansion 15/1600
05:16 Prime Factorization of 1600.
05:32 prime factorisation of q(1600) is of the form 2^n5^m, where n,m are non-negative integers
06:42 Convert Denominator 1600 in the form 2^n*5^n.
06:50 Write down the decimal expansion of rational number 15/1600

07:15 (vi) decimal expansion 23/(2^3*5^3)
07:32 Convert Denominator 1600 in the form 2^n*5^n.
08:35 Write down the decimal expansion of rational number 23/(2^3*5^3)

08:55 (viii) decimal expansion 6/15
09:06 Prime Factorization of 5
09:18 Convert Denominator 5 in the form 2^n*5^n.
09:50 Write down the decimal expansion of rational number 6/15

10:14 (ix) decimal expansion 35/50
10:36 Prime Factorization of 50
10:52 Convert Denominator 5 in the form 2^n*5^n.
11:14 Write down the decimal expansion of rational number 35/50

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learncbse.in
CBSE solutions for class 10 maths Chapter 1 Real Numbers Exercise 1.4
CBSE class 10 maths NCERT Solutions Chapter 1 Real Numbers Exercise 1.2 | Euclid Division Lemma
CBSE class 10 maths NCERT Solutions Chapter 1 Real Numbers
Solutions for CBSE class 10 Maths Real Numbers
NCERT solutions for class 10 maths Real Numbers
NCERT solutions for CBSE class 10 maths Real Numbers
CBSE class 10 maths Solutions Real Numbers Exercise 1.4
Common core Math Real Numbers
ICSE Class 10 Maths

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