(b) In 2013, the price for each unit of electricity was 13.5 cents. Over the next 3 years, this price increased exponentially at a rate of 8% per year. Calculate the price for each unit of electricity after 3 years

answer = 17.01 cents

Answered by Maths tutor

4211 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

2435 units of gas used in November, costing 4.12p per unit. The gas company also charge 9.43p per day. The total cost has an additional 5% in VAT. What is the gas bill for the month of November?


The equation the line L1 is y=3x-2 and the equation of line L2 is 3y-9x+5=0. Show that these two lines are parallel.


The first four terms in a sequence are: -1, -4, -7, -10. Write an expression for the nth term of the sequence.


A washing machine costs £500 in a sale and was reduced by 20%. What was its original price?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning