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dyshekagraves
17.07.2019 •
Mathematics
Is the real number √1.21 rational or irrational? a) rational b) irrational
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Ответ:
A) Rational.
Step-by-step explanation:
We have been given a real number
. We are asked to determine whether our given number is rational or irrational.
We know that an irrational number is a number that cannot be written as fraction.
Upon evaluating our given number, we will get:
We can write 1.1 as fraction as shown below:
Since we can write our given number a fraction, therefore, our given number is a rational number and option A is the correct choice.
Ответ: