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
- 45 m = ______ km
- 9 mℓ = ______ ℓ
- 31 g = ______ kg
(a)
1 = 100 cm
45 cm
= 45 ÷ 100
= 0.45
(b)
1 km = 1000 m
45 m
= 45 ÷ 1000
= 0.045 km
(c)
1 ℓ = 1000 mℓ
9 mℓ
= 9 ÷ 1000
= 0.009 ℓ
(d)
1 kg = 1000 g
31 g
= 31 ÷ 1000
= 0.031 kg
Answer(s): 0.45, 0.045, 0.009, 0.031