Answer :

Answer: 6^3 or 216

1 / (1+8+27) ^ -3/2

1/ (36)^ -3/2

36 ^ 3/2

6^3 = 216
mberisso

Answer:

216

Step-by-step explanation:

Recall that a fractional exponent corresponds to a root, and that a negative exponent corresponds to the expression being on the opposite side of the fraction line.

Therefore, this expression can also be written as:

[tex]\frac{1}{(1^3+2^3+3^3)^{-3/2}} =(\sqrt{1^3+2^3+3^3})^3 =\\=(\sqrt{1+8+27} )^3=(\sqrt{36})^3 = 6^3=216[/tex]

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