Write 8^2(4^2 / 2^7) in the form 2^x

We know that 82 = (23)2 = 26 and 42 = (22)2 = 24 So we can write the original expression as 26 (24/27) Then using indices laws we get 26(2-3) = 23

CC
Answered by Charlotte C. Maths tutor

2688 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

A is the point with coordinates (5, 9) B is the point with coordinates (d, 15). The gradient of the line AB is 3. Work out the value of d.


In 2017 the number of teachers in a school was 20. The number of teachers doubles each year. If in 2019 3/5 of the teachers are female how many male teachers are there in 2019?


Solve the simultaneous equation: (16^x)/(8^y)=1/4 and (4^x)(2^y)=16


How to solve simultaneous equations?


We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences