Question

[√7(√7)(√7)(√7)(√7)]

Answer 1

$\sqrt{7} \times \sqrt{7} \times \sqrt{7} \times \sqrt{7} \times \sqrt{7} = 7 \times 7 \times \sqrt{7} = 49 \sqrt{7}$
The answer is 49√7
If you like my answer please mark me as brainliest

Answer 2

My assumptions about the question is slightly different.

I'm not considering the question to be muliply sqrt7 5 times which is just elimentary math.

It would be my pleasure to add another answer. Here, you see below.

Ok, if that under root term dissociation is unclear then I can make it clear.

An sqrt means power 1/2  . If that is used 2 times then power 1/4  . Similarly nth root would mean 1/2^n as power.

Bonus result

The series when written infinite would terminate to 7.

Exception in case of addition (where the term should lie between 1/e to e.

If you don't understand the last 2 lines. Still stay calm they aren't of much use.