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Which of the following correctly expresses the conversion of 2 mm as cm?

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0.02 cm

0.2 cm

2.0 cm

0.002 cm

answer is B.

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Detailed Solution

Concept-

…… (i)

As we know, the basics

…… (ii)

(from (i) & (ii))
Solving the above equation gives:

Here, there is a ratio of mm to cm. Then, using this relationship, we express 2 mm in cm as follows.

Hence, option 2 is correct.

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