Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 50 cm = _____ m
- 49 m = ______ km
- 21 mℓ = ______ ℓ
- 47 g = ______ kg
(a)
1 = 100 cm
50 cm
= 50 ÷ 100
= 0.5
(b)
1 km = 1000 m
49 m
= 49 ÷ 1000
= 0.049 km
(c)
1 ℓ = 1000 mℓ
21 mℓ
= 21 ÷ 1000
= 0.021 ℓ
(d)
1 kg = 1000 g
47 g
= 47 ÷ 1000
= 0.047 kg
Answer(s): 0.5, 0.049, 0.021, 0.047