A student measured five quantities in an experiment and obtained the following…

MATHEMATICS · Subjective · CBSE · Mathematics · Number Systems · Number Systems

Problem

A student measured five quantities in an experiment and obtained the following numerical values: 64,  18,  643,  149,  2.25.\sqrt{64},\;\sqrt{18},\;\sqrt[3]{64},\;\sqrt{\dfrac{1}{49}},\;\sqrt{2.25}. For each value: (i) Evaluate it, writing the result in its simplest numerical form. (ii) State whether the evaluated number is rational or irrational, giving one supporting reason.

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