a) 7^2=7·7=49
b) 2^0=1*1=1
c)-2^7=-2*-2*-2*-2*-2*-2*-2=-128
d)3/4^3=3/4*3/4*3/4=27/64
e)0,6^1=0,6*1=0,6
f)0^14=0*0*0*0*0*0*0*0*0*0*0*0*0*0*0=0
g) (1 1/4)^2=5/4^2= 5/4 * 5/4 = 25/16
h)(-1)^15=-1*-1*-1*-1*-1*-1*-1*-1*-1*-1*-1*-1*-1*-1=-1
i)2,3^2=2,3*2,3=5,29
j)-3^3= -3*-3*-3= -27