Question

2. Without performing division, state whether the following rational numbers will
have a terminating decimal form or a non-terminating repeating decimal form.
15
29
13
11
(ii)
(iii)
64
455
(iv)
(v)
1600
343
3125
12
9
36
77
23
129
2².5.75
(ix)
(vi)
(viii)
(x)
(vii)
15
100
210
23.5²​

Answer 1

Answer:

29

=

7×7×7

29

=

7

3

29

.

Here, the denominator can not be written in the form 2

n

×5

m

.

∴

343

29

has a non-terminating, repeating decimal form.