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Help me pls i don’t know the answer

Help me pls i don’t know the answer-example-1
User DannyTree
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2 Answers

8 votes
8 votes
Letter D. Is the correct answer
User YSFKBDY
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20 votes
20 votes

Answer:

D

Explanation:


10 \log( \frac{106.8}{1 * {10}^( - 12) } ) \approx 140

User Cameron Booth
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