Question

لال = b
9
67
Hence, 3.7+ 4.3
28 39
- +
9
9
9
EXERCISE 4.4
Express each of the following decimals in rational form:
(a) 2.3
(b) 12.68
(c) 0.13
(d) 0.83
(e) 1.43
3.185
(g) 3.125
(h) 5.005
Without performing actual division, state which of the following have a terminating decima
non-terminating decimals :
17
33
19
8
71
19
13
438
(a)
(b)
(c)
(d) -
(g)
(h)
90
20
29
10
75
45
27
900
Convert the following rational numbers into decimal numbers :
26
85
2
16
49
11
(a)
(b)
26
(c)
303
(d). (e)
(h) )
25
12
11
32
15
8
500
125
Which of the following decimals can be expressed as rational numbers?
(a) 0.66666....
(b) 0.217217217.....
(c) 7.40505005.....
(d) 16.1675897653
(e) 36.147654....
(f) 7.1010010001.....
11​

Answer 1

Answer:

(i) Given rational number is

Now we have to express this rational number into decimal form. So we will use long division method as below.

Hence,

(ii) Given rational number is

Now we have to express this rational number into decimal form. So we will use long division method as below.

Hence,

(iii) Given rational number is

Now we have to express this rational number into decimal form. So we will use long division method as below.

Step-by-step explanation:

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Answer 2

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