14 (a) In 2017, the population of Egypt was 97 500 000. Write this population in standard form. (b) The population density of a country is the number of people per square kilometre. In 2017, the population of Indonesia was 2.62 ×10^8 , correct to 3 significant figures. The area of Indonesia is 2× 10^6 km2 , correct to 1 significant figure. Calculate an estimate for the population density of Indonesia.