Question

5) Calcule y - x sendo:
3^x = 27 e 10^y-1 = 100000
a)3
b)-3
c)2
d)-2​

Answer 1

10^y-1 = 10⁵

y-1=5 ===> y=6

3^x = 3³ ===> x =3

y - x = 3 ✓