<u>ANSWER:</u>
The square of 2.1 is 4.41
<u>SOLUTION:</u>
Given that the number is 2.1.
We need to find the square value of 2.1 =
We can do this converting 2.1 into fraction, and again we can convert the result to get square of 2.1
We know that
Hence 2.1 can be written as
For our convenience, let’s convert decimal value to fraction value.
2.1 can be converted to fraction value by multiplying and dividing by 10.
Multiplying numerator with numerator and denominator with denominator. We get
Now again convert fraction to decimal. 441 divided by 100 yields 4.41
Hence,the square value of 2.1 is 4.41