Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4.91 km = ______ m
- _____ m = 7578 cm
- _____ km = 6419 cm
- 8.122 ℓ = _____ cm3
(a)
1 km = 1000 m
4.91 km
= 4.91 x 1000
= 4910 m
(b)
1 m = 100 cm
7578 cm
= 7578 ÷ 100
= 75.78 m
(c)
1 km = 1000 m x 100 cm = 100000 cm
6419 cm
= 6419 ÷ 100000
= 0.06419 km
(d)
1 ℓ = 1000 cm
3 8.122 ℓ
= 8.122 x 1000
= 8122 cm
3 Answer(s): 4910, 75.78, 0.06419, 8122