Question

se x= (10)^3 + (10)^4 + (10)^5 então :

a) x=11100 b)11,1.(10)^4 c) x=1,11.(10)^4 d) x=(10)^12 e) x=3.(10)^4

Answer 1

10^3 = 1000
10^4 = 10000
10^5 = 100000
x = 1000 + 10000 + 100000
x = 111000 = 11,1*10^4
Resposta: letra "b) 11,1*(10)^4"