(a(i))[2]
Calculate the car’s value after 1 year.
(a(ii))[2]
Calculate the car’s value 1 year earlier.
(b)[3]
Calculate the value of Ali’s investment at the end of 5 years.
(c)[3]
Find the value of $r$ from the information given.
(d(i))[2]
Find the total percentage decrease at the end of 10 days.
(d(ii))[3]
Find the number of whole days needed for the mass of this substance to fall to one half of its original amount.