Maths

>

A-Level

Algebra & Functions

Question

How do you work out something which is a power to a power of something else?

3 years ago

·

1 Reply

·

1551 views

S

Sienna Bayer


1 Answer

Liz R Profile Picture
Liz R Verified Sherpa Tutor ✓

Enthusiastic, Patient, Maths Teacher with 30 Years Experience.

5 reviews

You do this by using your laws of indices. So (X^a)^b is X^(ab). An example with numbers is (4^2)^3 = 4^6.


You need to take care when you have something like (2(X^3))^4.

This must be written using the distributive property as (2^4)((X^3)^4), which then simplifies to 16(X^12).

I'm available for 1:1 private online tuition!

Click here to view my profile and arrange a free introduction.

Think you can help?

More Maths A-Level Questions
Sherpa Badge

Need an A-Level Maths tutor?

Get started with a free online introductions with an experienced and qualified online tutor on Sherpa.

Find an A-Level Maths Tutor