Respuesta :

Answer:

Step-by-step explanation:

10mm is 1cm

100mm is 10cm

200mm is 20cm

300mm is 30cm

400mm is 40cm

450mm is 45cm

So 45cm equals 450mm

CHERLYNnotCHERRY

Answer:

The answer is 45cm = 450mm.

Step-by-step explanation:

Given that 1cm = 10mm so for this question :

[tex]1cm = 10mm[/tex]

[tex]45cm = 10mm \times 45[/tex]

[tex]45cm = 450mm[/tex]