Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 45 cm = _____ m
- 39 m = ______ km
- 38 mℓ = ______ ℓ
- 28 g = ______ kg
(a)
1 = 100 cm
45 cm
= 45 ÷ 100
= 0.45
(b)
1 km = 1000 m
39 m
= 39 ÷ 1000
= 0.039 km
(c)
1 ℓ = 1000 mℓ
38 mℓ
= 38 ÷ 1000
= 0.038 ℓ
(d)
1 kg = 1000 g
28 g
= 28 ÷ 1000
= 0.028 kg
Answer(s): 0.45, 0.039, 0.038, 0.028