k, 5 to the 4th power, this means:
5*5*5*5
5*5=25*5=125*5=625
overall, 5^2 is equal to 625.
HOWEVER, then we have ^1/2
so, 625^1/2, and that equals:
312.5
overall, the correct answer is:
312.5
or as Titanium Rome would say, just for God's sake, 312.5 number thingys