Answer :

[tex] \sqrt[21]{186} = 0.112[/tex] You are basically saying 21 divided by 186.
To find this out, simply divide 186 by 21. Which is 8.9 (i rounded it)
But you can just multiply (to check) 21 by 8 to geet 168. Any further, you would get a number higher than 186.
~Hope this helped :)

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