The answer to your question is C. Mark brainliest if you can.
Answer:
60.72
Step-by-step explanation:
Simply if you can, use a calculator and do one of two things. First off, the easier way, you can do 92% of 66, which is 60.72, the more difficult way is to find 8% of 66 which is 5.28, and then subtract 66 by 5.28 which is 60.72. Hope this helps
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The answer is less than or equal to -4. Because -4+8=4
240 days is 4 times the half-life, which means that a sample of 1000 mg will decay to

after 240 days.
Answer:
15 photos
Good luck & have a great day!