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1. The volume of a certaim metal plate at temperature , T℃ , is given by the following formula :
V=(2T/T+100)+10.2
a. Find the increase in volume when the temperature increases from 100℃ to 300℃
b. make T the subject of the formula
2.A spaceship can travel 180102 minute.
a. find the speed of the spaceship in kilometres per second and give your answer correct to 3 significant figures
b. using the result obtained in (a) to estimate the distance (km) that the spaceship can travel in one hour.
c. hence , find the absolute error of the estimation in (b)
