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At which number on the number line is (\sqrt{0.49}) located?
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Answer and explanation
Correct answer: 0.7
Since (0.7)^2=0.49, we have (\sqrt{0.49})=0.7, so the point lies at 0.7 on the number line. Option A is incorrect because (0.07)^2=0.0049. In an exam, check the number of decimal places when finding the square root of a decimal.
Frequently asked questions
What is the correct answer to this question?
0.7
Why is this the correct answer?
Since (0.7)^2=0.49, we have (\sqrt{0.49})=0.7, so the point lies at 0.7 on the number line. Option A is incorrect because (0.07)^2=0.0049. In an exam, check the number of decimal places when finding the square root of a decimal.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Representing real numbers on the number line.
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