Question

Se a=0,444... e b=0,333...,então b√a é?

a)57,1m c)72,1m
b)62,1m d)77,1m​

Answer 1

a = 0,444...

a = 4/9

b = 0,333...

b = 3/9

b = 1/3

b√a

= 1/3√4/9

= 1/3 * 2/3

= 2/9