What is the median of the following scores: 22 35 41 63 74 82

Express 2.7864 x 10^-3 to 2 significant figures

If 9^2x = \(\frac{1}{3}\)(27^x), find x

If 85% of x is N3230, what is the value of x?

The capacity of a water tank is 1,800 litres. If the tank is in form of a cuboid with base 600cm by 150 cm. Find the height of the tank