Question

I really need help with this question well mostly the whole thing

Answer 1

$5\sqrt{18}$ can be written as 15√2 in the exact radical form.

We can write any form of this type as $\sqrt[n]{ab} = \sqrt[n]{a}.\sqrt[n]{b}$

We can write $5\sqrt{18}$ as:

18 can be rewritten as 3×3×2.

⇒ 5√2×3×3

Pull the term 3 out from the radical and we get

⇒ 5×3√2

On multiplying 3 by 5 and we get,

⇒ 15√2

$5\sqrt{18}$ can be written in its simplified form as 15√2.

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