If an average hard drive had a capacity of 0.3 TB in 2000, and average hard drive capacities double every 5 years, what will be the average hard drive capacity in 2050?
Choose the correct option.
A) 3072 B) 512 C) 768 D) 1024 E) 1536

Rationale: "0.3 * 2 ^ 10 = 0.3 * 1024 = 307.2 the answer is a ."
Answer: A