Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 3 cm = _____ m
- 30 m = ______ km
- 30 mℓ = ______ ℓ
- 21 g = ______ kg
(a)
1 = 100 cm
3 cm
= 3 ÷ 100
= 0.03
(b)
1 km = 1000 m
30 m
= 30 ÷ 1000
= 0.03 km
(c)
1 ℓ = 1000 mℓ
30 mℓ
= 30 ÷ 1000
= 0.03 ℓ
(d)
1 kg = 1000 g
21 g
= 21 ÷ 1000
= 0.021 kg
Answer(s): 0.03, 0.03, 0.03, 0.021