So first factor it
1008=2*2*2*2*3*3*7
group them in similar pairs
1008=(2*2)(2*2)(3*3)*7
now remember we can do

so

=
2*2*3*

=
12√7
the answer is B
True because if you were to do common denominators 1/2 is equivalent to 4/8 and 4/8 is greater than 1/8
1 answer. 9876500
2 answer. 12350
3 answer 2468250
4 answer 135800