Resposta :
a)10^2 . 10^-4
10×10=100. 10×10×10×10=-10000
100.(-10000) =-1.000.000
b) 2^3 . 2^6
2.2.2= 8. 2.2.2.2.2.2.=64
8.64=512
c)3^4:3
3.3.3.3=81
81:3=27
d)2^8 : 2^4
2.2.2.2.2.2.2.2.=256. 2.2.2.2=16
256:16=16
a)10^2 . 10^-4
10×10=100. 10×10×10×10=-10000
100.(-10000) =-1.000.000
b) 2^3 . 2^6
2.2.2= 8. 2.2.2.2.2.2.=64
8.64=512
c)3^4:3
3.3.3.3=81
81:3=27
d)2^8 : 2^4
2.2.2.2.2.2.2.2.=256. 2.2.2.2=16
256:16=16