Practice, difficulty 2 of 3
Build the growth-rate formula
A value grows from a starting level to a final level over years. Write an expression for the average annual growth rate (as a decimal, so 0.05 means 5%) in terms of V0, Vn and n.
Practice
Practise until it sticks
Choose a topic, a skill or a difficulty. Calculation exercises have new versions with fresh numbers once you have solved them, so you can practise the method rather than memorise an answer.
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