Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2.56 km = ______ m
- _____ m = 2500 cm
- _____ km = 8924 cm
- 4.957 ℓ = _____ cm3
(a)
1 km = 1000 m
2.56 km
= 2.56 x 1000
= 2560 m
(b)
1 m = 100 cm
2500 cm
= 2500 ÷ 100
= 25 m
(c)
1 km = 1000 m x 100 cm = 100000 cm
8924 cm
= 8924 ÷ 100000
= 0.08924 km
(d)
1 ℓ = 1000 cm
3 4.957 ℓ
= 4.957 x 1000
= 4957 cm
3 Answer(s): 2560, 25, 0.08924, 4957