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Class 10 Mathematics Polynomials Representing real numbers on the number lineExpertLevel 50

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At which point on the number line should (sqrt{5.76}) be marked?

Answer and explanation

Correct answer: 2.4

Since (2.4)^2=5.76, the principal square root (sqrt{5.76}) is 2.4. The negative value (-2.4) is not the principal square root. In an exam, verify the answer quickly by squaring the decimal.

Related tags

Polynomials Number-Line Decimal-Square-Root Principal-Square-Root

Frequently asked questions

What is the correct answer to this question?

2.4

Why is this the correct answer?

Since (2.4)^2=5.76, the principal square root (sqrt{5.76}) is 2.4. The negative value (-2.4) is not the principal square root. In an exam, verify the answer quickly by squaring the 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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