Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1.22 km = ______ m
- _____ m = 4885 cm
- _____ km = 7442 cm
- 8.685 ℓ = _____ cm3
(a)
1 km = 1000 m
1.22 km
= 1.22 x 1000
= 1220 m
(b)
1 m = 100 cm
4885 cm
= 4885 ÷ 100
= 48.85 m
(c)
1 km = 1000 m x 100 cm = 100000 cm
7442 cm
= 7442 ÷ 100000
= 0.07442 km
(d)
1 ℓ = 1000 cm
3 8.685 ℓ
= 8.685 x 1000
= 8685 cm
3 Answer(s): 1220, 48.85, 0.07442, 8685