Times it by a hundred and so 1000*100 = 100,000 cm
450 cm
41666.67 times !
50 times longer.
four times
1/4500 = 0.000222... times.
Once.
80 / 5 = 16 times
1
1
There are: 67 times 2.54 = 170.18 cm
3.5 cm is 5 times as long as 7 mm, and 4 times longer than 7 mm.