Answer:
- 30; 1.5
Explanation:
Data centers are demonstrated as the dedicated space assigned to a immense group of computer servers and their associated components that are networked together. These centers are primarily employed with the aim to gathering of huge amounts of data that are further stored, processed, distributed and provide access to such huge amount of data.
As per the question, the world's data centers utilizes the energy equal to the output of 30 nuclear plants that would be around 1.5% of all the energy used in the whole world as they involve the use of huge group of networked computers together to handle such a large data that requires energy accordingly.