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Q: How many mm does 3 cm equal?

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3 cm = 30 mm

There are 10 mm in 1 cm, so there are 30 mm in 3 cm.

3 cm because 1 cm is equal to 10 mm so 30 mm is equal to 3 cm .

acc to science and maths , 1 cm-10 mm 3 cm=30 mm

1 cm is equal to 10 mm, so 3 cm is equal to 30 mm

30 cm 1 cm = 10 mm 1 mm = 0.1 cm 100 cm = 1 meter

10 mm = 1 cm so 30 mm = 30/10 = 3 cm. Simple!

Yes 1 cm is 10 mm. Figure out how many mm are in 3 cm (multiplication comes to mind?) Now compare the above value you got with 20 and decide for yourself which is bigger. Try it. You can do it. Good luck!

30 mm

2 cm 3 mm = 23 millimetres

Each centimeter equals 10 millimeters, so 3 centimeters (cm) equals 30 millimeters (mm).

10 mm = 1 cm so 1 cm^3 would be equal to (10)^3 mm, so 1000 mm.

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