cbse-class-10-maths-solution-real-numbers-exercise-14-ncert-solutions-real-numbers

# Interactive video lesson plan for: CBSE Class 10 Maths solution Real numbers Exercise 1.4 | NCERT Solutions Real Numbers

#### Activity overview:

CBSE Class 10 Maths solution Real numbers Exercise 1.4 | NCERT Solutions Real Numbers

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/

00:03 CBSE class 10 maths Solutions Real Numbers Exercise 1.4 Q1. Without actually performing the long division, state whether the following rational
numbers will have a terminating decimal expansion or a non-terminating repeating decimal
expansion:

00:33 (i) Decimal expansion of 13/3125 is a terminating or a non-terminating repeating
00:56 Factor tree of 3125.
prime factorisation of q(3125) is of the form 2^n5^m, where n, m are non-negative integers.
01:50 rational numbers 13/3125 has terminating decimal expansion.

02:23 (ii) Decimal expansion of 17/8 is a terminating or a non-terminating repeating
02:39 Prime Factorization of 8.
prime factorisation of q(8) is of the form 2^n5^m, where n, m are non-negative integers.
03:23 rational numbers 17/8 has terminating decimal expansion.

03:54 (iii) Decimal expansion of 64/455 is a terminating or a non-terminating repeating
04:15 Factor tree of 455.
prime factorisation of q(455) is not in the form 2^n5^m, where n, m are non-negative integers.
04:58 rational numbers 64/455 has non-terminating repeating decimal expansion.

05:15 (viii) Decimal expansion of 6/15 is a terminating or a non-terminating repeating
05:53 Prime Factorization of 5.
prime factorisation of q(5) is of the form 2^n5^m, where n, m are non-negative integers.
06:25 rational numbers 6/15 has terminating decimal expansion.

06:40 CBSE class 10 maths Solutions Real Numbers Exercise 1.4 Q2. Write down the decimal expansions of those rational numbers in Question 1 above which have terminating decimal expansions.
06:45 (i)decimal expansion of 13/3125
07:45 Prime factorization of 3125 .
07:53 Convert Denominator in the form 2^n*5^n.
08:52 Write down the decimal expansion of rational number 13/3125

09:20 (ii) decimal expansion 17/8
09:43 Prime Factorization of 8.
09:56 prime factorisation of q(8) is of the form 2^n5^m, where n,m are non-negative integers.
10:04 Convert Denominator 8 in the form 2^n*5^n.
10:52 Write down the decimal expansion of rational number 17/8

11:04 (iv) decimal expansion 15/1600
11:56 Prime Factorization of 1600.
12:11 prime factorisation of q(1600) is of the form 2^n5^m, where n,m are non-negative integers
12:42 Convert Denominator 1600 in the form 2^n*5^n.
13:31 Write down the decimal expansion of rational number 15/1600

13:53 (vi) decimal expansion 23/(2^3*5^3)
14:10 Convert Denominator 1600 in the form 2^n*5^n.
15:03 Write down the decimal expansion of rational number 23/(2^3*5^3)

15:34 (viii) decimal expansion 6/15
15:46 Prime Factorization of 5
15:57 Convert Denominator 5 in the form 2^n*5^n.
16:32 Write down the decimal expansion of rational number 6/15

16:54 (ix) decimal expansion 35/50
17:15 Prime Factorization of 50
17:31 Convert Denominator 5 in the form 2^n*5^n.
17:54 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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