Answer:
2011
Step-by-step explanation:
C
Just plot all of the numbers and you will see the answer is C.
1/6
1,6,2 and 5
(2x/5)² . (1x⁴/4)^-1
=(2²x²/5²) . (4/x⁴)
=4x²/25 × 4/x⁴
= 16/25x²