iGCSE Mathematics (0580) :E1.3 Calculate with squares, square roots, cubes and cube roots and other powers and roots of numbers. iGCSE Style Questions Paper 2

Simplify \((16p^{16})^{\frac{1}{4}}\).

Answer/Explanation

Ans:

\(\2p^4\) final answer

Find r when \((5)^{\frac{r}{3}}=125.\)

Answer/Explanation

Ans: 9

t varies inversely as the square root of u.
t = 3 when u = 4.
Find t when u = 49.

Answer/Explanation

Ans:

\(\frac{6}{7}\) or 0.857[1…]