Step 1

The decimal number, 2.1 contains 1 decimal place. Hence, we can remove the decimal point by multiplying 2.1 with 10 . This gives 21.

Step 2

After multiplying 2.1 with 10, we must divide the result, 21 with 10. This is because we need to keep this term equivalent to 2.1. Hence, we have:

Step 3

Notice that this fraction is an improper fraction. It is better to convert this fraction into a mixed fraction so that it will looks neater.

Step 4

Finally, we have the mixed fraction, 2 ¹/₁₀.

Step 5

Clearly, the answer is B.

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