v) The calculator gives the answer to 0.92 as 0.6063550013. To how many decimal places (without rounding) are your approximate answer and the calculator answer the same? Answer: The first four terms in the expansion of (1+8z) are 1 + ax + b³ + c³ + i) Find the values of a, b and c a = 48 b= 960 c= 10240 ii) Use the first four terms of the expansion of (1 + 8x) to find an approximate value to 5 decimal places for 1.086 Answer: 72032.81912 iii) Find the percentage error between this approximate value and the answer given by your calculator. Give your answer to 3 decimal places Answer: 96 iv) Use the first four terms of the expansion of (1 + 8x) to find an approximate value to 5 decimal places for 0.920 Answer