Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3.87 km = ______ m
- _____ m = 4472 cm
- _____ km = 7044 cm
- 3.917 ℓ = _____ cm3
(a)
1 km = 1000 m
3.87 km
= 3.87 x 1000
= 3870 m
(b)
1 m = 100 cm
4472 cm
= 4472 ÷ 100
= 44.72 m
(c)
1 km = 1000 m x 100 cm = 100000 cm
7044 cm
= 7044 ÷ 100000
= 0.07044 km
(d)
1 ℓ = 1000 cm
3 3.917 ℓ
= 3.917 x 1000
= 3917 cm
3 Answer(s): 3870, 44.72, 0.07044, 3917