Rewrite this imaginary number using $$ i $$ and then select your answer from the choices. Make sure the answer is fully simplified. $$ \sqrt{-20} $$

Question

UpStudy AI · Accepted Answer

Calculate or simplify the expression $$ \sqrt(-20) $$.
Calculate the value by following steps:
- step0: Calculate:
  $$\sqrt{-20}$$
- step1: Evaluate the power:
  $$\sqrt{20}	imes \sqrt{-1}$$
- step2: Evaluate the power:
  $$\sqrt{20}	imes i$$
- step3: Evaluate the power:
  $$2\sqrt{5}	imes i$$
The imaginary number $$ \sqrt{-20} $$ can be rewritten as $$ 2\sqrt{5}i $$ using the imaginary unit $$ i $$.

Therefore, the answer is $$ 2\sqrt{5}i $$.
The answer is $$ 2\sqrt{5}i $$.

Rewrite this imaginary number using and then
select your answer from the choices. Make sure
the answer is fully simplified.

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Rewrite this imaginary number using and then select your answer from the choices. Make sure the answer is fully simplified.