The correct answer is choice c - 2.
The reciprocal of a fraction is that fraction turned upside down. In this example, the reciprocal of 1/2 is 2/1. The fraction 2/1 simplified is 2.
The square root of 16 is expressed as √16 in the radical form and as 161/2 in exponential form. The square root of a number is both negative and positive for the same numerical value i.e., the square root of 16 will be 4
