If a=0.2a = 0.2a=0.2 and b=15b = \frac{1}{5}b=51, compare a2a^2a2 and b2b^2b2.
a2>b2a^2 > b^2a2>b2
a2<b2a^2 < b^2a2<b2
a2=b2a^2 = b^2a2=b2
Cannot be determined