Which of the following expressions is equal to 1 divided by 16

The correct answer is:  [A]:  " ()⁴ " .
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Note:  ()⁴  =  ;

                                                =  ;

                                                =  .
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Consider "Choice [B]" :  "()⁴ " ;

Note:  ()⁴ =   ;

                                                =  ;

                                                =  .

Note that:  ""  "" .
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Consider "Choice [C]" :  "()² " ; 

Note:  ()²  =  ;

                                                =  ;

                                                =  .

Note that:  ""  "" .
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     →  As such, the only correct answer choice is:
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Answer choice:   [A]:  " ()⁴ " .
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