How do you write the prime factorization of 20st?

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Feb 14, 2017

$20 s t = 2 \times 2 \times 5 \times s \times t$

Explanation:

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

$20 s t = 2 \times 2 \times 5 \times s \times t \text{ } \leftarrow$ 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 $36 {s}^{3} {t}^{2}$ would be expanded as:

$2 \times 2 \times 3 \times 3 \times s \times s \times s \times t \times t$

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