91Ó°ÊÓ

Convert to preferred standard form: (a) \(6.147 \times 10^{7}\) (b) \(2.439 \times 10^{-4}\) (c) \(5.286 \times 10^{5}\) (d) \(4.371 \times 10^{-7}\)

Convert each of the following to decimal form to 3 decimal places: (a) \(\frac{5}{21}\) (b) \(-\frac{2}{17}\) (c) \(\frac{8}{3}\) (d) \(-\frac{32}{19}\)

Convert each of the following decimal numbers to (i) binary, (ii) octal, (iii) duodecimal and (iv) hexadecimal format: (a) \(1.83\) (b) \(3.425 \times 10^{2}\)