Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 7 cm = _____ m
- 17 m = ______ km
- 22 mℓ = ______ ℓ
- 21 g = ______ kg
(a)
1 = 100 cm
7 cm
= 7 ÷ 100
= 0.07
(b)
1 km = 1000 m
17 m
= 17 ÷ 1000
= 0.017 km
(c)
1 ℓ = 1000 mℓ
22 mℓ
= 22 ÷ 1000
= 0.022 ℓ
(d)
1 kg = 1000 g
21 g
= 21 ÷ 1000
= 0.021 kg
Answer(s): 0.07, 0.017, 0.022, 0.021