(a)[2]
Dina puts $\$600$ into an investment for 5 years at compound interest of $2\%$ per year. Calculate the value of this investment at the end of the 5 years.
(b(i))[2]
The value of a gold ring grows exponentially at a rate of $5\%$ per year. It is currently worth $\$882$. Calculate the value of the ring 2 years ago.
(b(ii))[2]
Find the number of complete years needed for the ring’s value of $\$882$ to rise to a value greater than $\$1100$.