Q: How many mm are in 8 and a half cm?

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There are 10 mm in a cm, so 8 cm in equivalent to 80 mm. 80 mm / 2 mm = 40. Therefore, 8 cm is 40 times as long as 2 mm.

By unit of length and distance and conversion ,we can say that 1 cm=10 mm 8 cm =80 mm now ,ratio is 80 :5 16 :1 16 times does 8 cm go into 5 mm

It is: 8*8 = 6.4 cm

82

1 cm = 10 mm 8 cm = 80 mm 80 cm = 800 mm 86 cm = 860 mm 86.3 cm = 863 mm 86.36 cm = 863.6 mm

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80 cm = 800 mm

There are 10 mm in a cm, so 8 cm in equivalent to 80 mm. 80 mm / 2 mm = 40. Therefore, 8 cm is 40 times as long as 2 mm.

8 cm 1 cm = 10 mm 1 mm = 0.1 cm

1 cm = 10 mm 8 cm = 80 mm

100mm

80 mm

8 mm = 0.8 cm.

Multiply the number of centimeters by 10.

0.8cm

The conversion between mm and cm are given .On finding the relation we get as follows . 1 cm=10 mm. so., 8 mm =0.8 cm.

1 cm is = to 10 mm so 8 cm is = to 80 mm

8 cm is 80 mm.Note: there are 10 mm in 1 cm.