Respuesta :

I believe the answer is 20.1
[tex] \sqrt[n]{a} = b[/tex]

∛405 = b
∛27 · 15    →Break down 405. What 2 numbers multiply to = 405?
∛27 ∛15
3³ = 27      →r(right side.) What cubed = 27? Answer is 3
                 →(left side.)15 is not even, so bring it down.
3∛15         →  combined

3 · 2.46621207433047     
= 7.398636222991409
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Check Answer 
7.398636222991409^3 = 405
Simplified...7.4  


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