Answer
H
Work Step by Step
Value is 6 60 years ago
Value was 6*2 45 years ago
Value was $6*2^2$ 30 years ago
Value was $6*2^3$ 15 years ago
Value was $6*2^4$ today
Value was $6*2^5$ 15 years from now
Value was $6*2^6$ 30 years from now
Value was $6*2^7$ 45 years from now
Value was $6*2^8$ 60 years from now
$6*2^8$
$6*256$
$1536$