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 \(\frac{\sqrt{1 + a} - \sqrt{a}}{\sqrt{1 + a} + \sqrt{a}}\)
When a dealer sells a bicycle for N81 he makes a profit of 8%. What did he pay for the bicycle?