Question

Without actual division, find which of the following rational numbers having terminating decimal expansion I) 43/375 ii) 31 /400

Answer 1

Answer:

(1)

16

7

=

2×2×2×2

7

− denominator is multiple of 2

m

×5

n

hence terminating.

(2)

125

23

=

5×5×5

23

-- denominator is multiple of 2

m

×5

n

hence terminating