Qual é o valor da expressão 2 elevado a 4 x 1/8 elevado a -1 - 2 elevado a 11? (a) 2 (b) 512 (c) 1 024 (d) 2 048 (e) 4 096

In 1995 america online had about 3000000 users over the next decade users are expected to increase from a few million to the tens of millions suppose the number of users increased by 150% by the year 2000 how many users will there be in the year 2000