Question

How do you write the prime factorization of `20st`?

Answer 1

`20st = 2xx2xx5xxsxxt`

Explanation:

You need to write the given term or expression as the product of its prime factors. This is sometimes also called expanded form.

`20st = 2xx2xx5xxsxxt" "larr` these are all prime factors.

The variables are really easy to do because even if there are indices, you can see exactly how many of each there are.

So `36s^3t^2` would be expanded as:

`2xx2xx3xx3xxsxxsxxsxxtxxt`