Question

Which is a correct relationship?
(a) 1 m = 100 cm
(c) 1 km = 100 m
(b) 1 cm 100 mm
(d) All of these​

Answer 1

a

is you correct answer

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Answer 2

(a) 1 m = 100 cm is a correct relationship.

Also:

1km= 1000 m so (c) is incorrect

1 cm = 10 mm so (b) is incorrect