What is 64^(2/3)?

When the index of a number is a fraction such as 2/3, first take the cubic root, then square the number. For example:
641/3= cube root of 64(641/3)2 = 642/3
642/3 =( 641/3)2 = (4)2 = 16

JT
Answered by James T. Maths tutor

6599 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

How do you convert between fractions, decimals and percentages?


A)Write x^2 – 8x + 25 in the form (x – a)^ 2 + b. (B) Write down the coordinates of the turning point of the graph of y = x2 – 8x + 25. (C)Hence describe the single transformation which maps the graph of y = x2 onto the graph of y = x2 – 8x + 25.


How do I find the missing length using trigonometry?


Factorise 15a^2 + ab - 6b^2


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