Question

A forma simplificada de 0,1x(0,001)x10-¹/10x(0,0001) é:
a)10²
b)10-³
c)10-¹
d)10-²
e)10³

Answer 1

Ola 

0.1 = 10^-1
0.001 = 10^-3
1/10 = 10^-1
0.0001 = 10^-4

E = 10^-1*10^-3*10^-1/(10*10^-4) = 10^(-1-3-1-1+4) = 10^-2 (D)