Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 39 cm = _____ m
- 41 m = ______ km
- 39 mℓ = ______ ℓ
- 21 g = ______ kg
(a)
1 = 100 cm
39 cm
= 39 ÷ 100
= 0.39
(b)
1 km = 1000 m
41 m
= 41 ÷ 1000
= 0.041 km
(c)
1 ℓ = 1000 mℓ
39 mℓ
= 39 ÷ 1000
= 0.039 ℓ
(d)
1 kg = 1000 g
21 g
= 21 ÷ 1000
= 0.021 kg
Answer(s): 0.39, 0.041, 0.039, 0.021