Question

express yhe expression in cm (a)30mm​

Answer 1

Answer:

3 cm

Step-by-step explanation:

1 mm = 0.1 cm

Therefore, multiple 30 by 0.1

30mm x 0.1 = 3 cm (final answer)

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Answer 2

To convert mm into cm , we usually divide by 10 because 1 cm = 10 mm and 1 mm = 1    cm.

            10

So, Let's find.

30 mm =  30  = 3 cm Ans.

                 10

Hope you understand !

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