Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 kg 5 g = _____ g
- 7 km 84 m = _____ m
- 42 ℓ 51 mℓ = _____ mℓ
- 3 m 5 cm = _____ cm
(a)
1 kg = 1000 g
7 kg 5 g
= 7 x 1000 + 5
= 7000 + 5
= 7005 g
(b)
1 km = 1000 m
7 km 84 m
= 7 x 1000 + 84
= 7000 + 84
= 7084 m
(c)
1 ℓ = 1000 mℓ
42 ℓ 51 mℓ
= 42 x 1000 + 51
= 42000 + 51
= 42051 mℓ
(d)
1 m = 100 cm
3 m 5 cm
= 3 x 100 + 5
= 300 + 5
= 305 cm
Answer(s): 7005, 7084, 42051, 305