Question

(i) Express 5 cm in metre and kilometre
(ii) Express 35 mm in cm, m and km​

Answer 1

Step-by-step explanation:

1. Converting into metre (1m=100cm)= 5/100=0.05m.. Converting into km. (1km=100000cm). so 5 cm=5/100000=0.00005km.

2. 35 mm =35/10 cm

35/100 m

35/ 1000 km

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Answer 2

Answer:

(i)5 cm = 0.05 m and 0.00005 km

(ii)35 mm = 3.5 cm, 0.035 m and 0.000035 km.

Step-by-step explanation:

(i) 1 metre = 100 cm

1 kilometre = 1000 metre = 100 × 1000 cm

= 100000 cm

∴ 5 cm = 5100 metre = 0.05 metre

5 cm = 5100000 km = 0.00005 km

Hence, 5 cm = 0.05 m and 0.00005 km

 

(ii) 1 cm = 10 mm and 1 km = 100000 cm

∴ 35 mm = 3510 cm = 3.5 cm,

35 mm = 351000 m = 0.035 m

35 mm = 351000000 km = 0.000035 km

Hence, 35 mm = 3.5 cm, 0.035 m and 0.000035 km.