Find, correct to three significant figures, the value of \(\sqrt{41830}\).

Write down the number 0.0052048 correct to three significant figures

Evaluate \((2^{0} + 4^{-\frac{1}{2}})^{2}\)

Which of the following is NOT a factor of 12\(^{4}\) - 5\(^{4}\)?

Rationalize the denominator of the given expression \(\frac{\sqrt{1 + a} - \sqrt{a}}{\sqrt{1 + a} + \sqrt{a}}\)