Dhanu has a model railway. The value of Dhanu's model railway is $$\(\$ 550\)$$. This value increases exponentially at a rate of $$\(r \%\)$$ per year. At the end of 5 years the value will be $$\(\$ 736\)$$. Calculate the value of $$\(r\)$$. $$\[ r= ............................................. \]$$
Exam No：0580_m20_qp_42 Year：2020 Question No：1(f)
Answer:
\(6[.00]\) or \(5.999 \ldots\)
Knowledge points:
E1.17 Use exponential growth and decay in relation to population and finance. (e.g. depreciation, growth of bacteria.)
E1.3 Calculate with squares, square roots, cubes and cube roots and other powers and roots of numbers.
Solution:
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