radical expression

What is the radical expression of

1. (11)^-3/2
2. 2^(-1.5)

Thanks

I will do one.

the exponent 3/2 means sqrt of something cubed.

So (11)^-3/2 = 1/(11)^ 3/2 =1/ sqrt 11^3
= 1/ sqrt (11^2 * 11)= 1/ (11 sqrt 11)

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