To the power of n

Maths

Growth and decay

If y = 2^n, what is the value of y when n = 5?

If y = 5^n, what is the value of y when n = -3?

You are given that 6^a < 220 < 6^b and that 'a' and 'b' are consecutive integers. What are the values of 'a' and 'b'?

y = 9^x would cut the y-axis at the coordinate...

If an investment of $500.00 increases by 13% per year for 6 years, the amount it would be at the end of the 6 years would be...

£100.00 decreases by 5% in one year, followed by an increase of 5% in the next year, and then decreases again by 2% for 8 years. What would the final amount be?

If a teddy bear depreciates from £3.00 by 18% per year for 5 years, what is the final value of the teddy bear?

In order to decrease an amount by 19% for 2 years, I would need to multiply the amount by 0.19^2

In order to increase an amount by 7.5% for 3 years, I would need to multiply the amount by 1.075^3

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