Question

Express 45 mm in cm, m and km.​

Answer 1

Answer:

45mm in cm is 4.5cm

0.045 m

0.00045km

Answer 2

Answer:

Hope this helps

Step-by-step explanation:

If you know basic metric system you should be able to do this.

1 cm = 10mm

1mm = 1/10 cm

1mm = 0.1cm

45mm = 45 x 0.1cm

45mm = 4.5cm

1mm = 1/1000m

1mm = 0.001m

45 mm = 45 x 0.001m

45 mm = 0.045m

1mm = 1/1000000km = 0.000001km

45mm = 0.000045km