Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 kg 9 g = _____ g
- 7 km 75 m = _____ m
- 53 ℓ 51 mℓ = _____ mℓ
- 5 m 2 cm = _____ cm
(a)
1 kg = 1000 g
7 kg 9 g
= 7 x 1000 + 9
= 7000 + 9
= 7009 g
(b)
1 km = 1000 m
7 km 75 m
= 7 x 1000 + 75
= 7000 + 75
= 7075 m
(c)
1 ℓ = 1000 mℓ
53 ℓ 51 mℓ
= 53 x 1000 + 51
= 53000 + 51
= 53051 mℓ
(d)
1 m = 100 cm
5 m 2 cm
= 5 x 100 + 2
= 500 + 2
= 502 cm
Answer(s): 7009, 7075, 53051, 502