round to the proper number of significant figures, 26.076027, 14.2616, 93635, 0.13522908, 19795.36, 130.9332, 1336, 84.291, 15.17,

20.076927= 21

14.2616=14

2.83941151 would be the answer you're looking for! : )

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square