1) The surface area of a sphere is given by the formula A = 4 x pi x r2. Estimate the surface area if pi = 3.14 and r = 4.92 a) 60cm2 b) 304.03cm2 c) 300cm2 d) 61.8cm2 2) Round 913.7896 to two decimal places a) 913.78 b) 913.79 c) 914 d) 913.8 3) Calculate (2 x 33) ➗(17 - 11) a) 27 b) 6 c) 54 d) 9 4) A cylindrical tank has a radius (r) of 5 metres and a height (h) of 10 metres. The formula to calculate it's volume (V) is V = pi x r2 x h. Calculate it's volume where the value of pi is 3.14. a) 785 m3 b) 157 m3 c) 750 m3 d) 625 m3 5) Calculate 32 + 4 x (6 + 2) - 10 a) 31 b) 11 c) 25 d) 94

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