$$\[ T=\frac{49.2-9.59}{4.085 \times 2.35} \]$$ By writing each number correct to 1 significant figure, work out an estimate for $$\(T\)$$. You must show all your working.

E1.8 Use the four rules for calculations with whole numbers, decimals and fractions (including mixed numbers and improper fractions), including correct ordering of operations and use of brackets. (Applies to positive and negative numbers.)

E1.9 Make estimates of numbers, quantities and lengths, give approximations to specified numbers of significant figures and decimal places and round off answers to reasonable accuracy in the context of a given problem.