Answer
$0.08$ quadrillion
Work Step by Step
The total Btu, provided by the renewable energy sources is 8 quadrillion.
Solar provided $1$% of this total:
Solar contributed by $8\times0.01=0.08$ quadrillion.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.