800
1 cm = 10 mm
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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.
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
80 mm equals 8 cm
10 mm = 1 cm ⇒ 80 mm = 80 ÷ 10 cm = 8 cm
1 cm = 10 mm 80 cm = 80x10 = 800mm And 800 mm is 800 mm You decide