First put the terms into equal units, resulting in 1.2 cm +12 cm. Simple addition shows this to be 13.2 cm or 132 mm.
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12 cm, one cm is equal to 10 mm.
There are 10 mm in 1 cm, so 1.2 cm would equal 12 mm.
No, .1 cm is equal to 1mm. There are 10 mm in a cm.
Eight cm is equal to how many mm
40