Solve the problem.Use the formula D = 10.0 log (S/S0), where the loudness of a sound in decibels is determined by S, the number of watt/m2 produced by the soundwave, and S0 = 1.00 × 10-12 watt/m2. A certain noise measures 106 decibels. If the intensity is multiplied by 100, how many decibels will the new noise measure? (Round to an appropriate number of significant digits.)
A. 108 decibels
B. 212 decibels
C. 10,600 decibels
D. 126 decibels
Answer: D
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Answer the question.Consider the numbers 7, 
, -9, 0, 0.
, 
, 
. Which are natural numbers?
A. 7
B. 7, 0
C. 7, 0, 
D. 7, 
Solve the problem.The Internal Revenue Service randomly tags 5% of all tax returns for a possible audit. If 200 Middletown residents have had their tax returns tagged, approximately how many residents live in Middletown?
A. 10 B. 40,000 C. 4000 D. 1000 E. none of these
Find the amount paid by each of the multiple carriers.A building with a replacement cost of $1,100,000 has fire damages of $360,000. The insurance coverage is split between Company A ($500,000) and Company B ($300,000). Find (a) the amount of the loss covered and (b) amount paid by each company. (Note that the coinsurance requirement has not been met.)
A. (a) $327,272.73 (b) Company A: $163,636.36 Company B: $163,636.36 B. (a) $327,272.73$204,545.45 (b) Company A: $204,545.45 Company B: $122,727.27 C. (a) $360,000 (b) Company A: $225,000.00 Company B: $135,000.00 D. (a $360,000 (b) Company A: $180,000.00 Company B: $180,000.00
Solve the problem.When 5 times a number is subtracted from 7 times the number, the result is 14. Find the number.
A. 14 B. 9 C. 7 D. 2