Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 49 cm = _____ m
- 21 m = ______ km
- 16 mℓ = ______ ℓ
- 7 g = ______ kg
(a)
1 = 100 cm
49 cm
= 49 ÷ 100
= 0.49
(b)
1 km = 1000 m
21 m
= 21 ÷ 1000
= 0.021 km
(c)
1 ℓ = 1000 mℓ
16 mℓ
= 16 ÷ 1000
= 0.016 ℓ
(d)
1 kg = 1000 g
7 g
= 7 ÷ 1000
= 0.007 kg
Answer(s): 0.49, 0.021, 0.016, 0.007