Question

A metade de 2 elevado a 100 dividida pelo dobro de 4 elevado a 48 é igual a:
a) 1
b)2
c)4
d) 8
e)16

Answer 1

( 2^100/2 ) : ( 2 .4^48 )
2^100 /2 : 2 .4^48

2^100 / (2 .2 .4^48)
2^100 / 2^2 .4^48
2^100 / 2^2 .2^48 .2^48
2^100 / 2^98
2^2
4

^^