Question

Determine as potências:
a) 3 elevado a 4
b)2 elevado a -3
c) 5 elevado a 0
d)1 elevado a 8
e) 3 elevado a -2
f) 2/3 elevado a 5
g) 3/4 elevado a -2
h) 10 elevado a 3
i) 10 elevado a -5
j) 1/10 elevado a -4

Answer 1

a) 3^4 = 81
b) 2^-3 = 1/2^3 = 1/8
c) 5^0 = 1
d)1^8 = 1
e) 3^-2 = 1/3^2 = 1/9
f) (2/3)^5 = 32/243
g) (3/4)^-2 = (1/3^2) / (1/4^4) = (1/9) / (1/16) = (1/9) x (16/1) =16/9 
h) 10^3 = 1.000
i) 10^-5 = 1/10^5 = 1/100.000
j) (1/10)^-4 = (1/1^4) / (1/10^4)=(1/1) / (1/10.000)=(1/1) x (10.000/1)=10.000