It means to times a number by itself e.g. 9 squared = 9x9 = 81!
Variance
The word squared has one syllable.
if you mean PI squared + PI squared / by 2 then that is.... 4.9298 solved on paper ... BUT if you mean what you said, the answer is YUMMY!
n^3 mean a number Squared by 3
If you mean ex squared, the answer is e2x
If you mean a2 x a2... the answer is a4
Assuming you mean x squared plus 5x squared... the answer is 6x squared.
you mean c? haha pythagoras
If you mean (2 times 5) squared then it is 100
it means like ac angle or a squared like in the phythangren theorem its a squared + b squared = c squared
T squared is T times T. T squared and T squared appears to be the addition of T squared with itself. That answer would be 2T squared or 2T^2
You cannot "solve" a mean squared deviation". You can calculate it or use it, but there is nothing to solve!