Solve.If an earthquake measured 6.3 on the Richter scale, what was the intensity of the earthquake in terms of I0? The magnitude on the Richter scale of an earthquake of intensity I is 
A. 199,526? I0
B. 1,584,893? I0
C. 1,995,262 ? I0
D. 544? I0
Answer: C
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Solve the problem.When determining appropriate doses of medication, it is sometimes important to estimate the body surface area (BSA) of a patient. This surface area (in m2) can be approximated using the Mosteller formula BSA = 
1/2, where h is the patient's height in centimeters and w is the weight in kilograms. Determine the BSA for a patient with height 172 cm and weight 90 kg. Round your answer to two decimal places.
A. 0.03 m2 B. 2.07 m2 C. 18.49 m2 D. 4.30 m2
Provide an appropriate response.After finding the first selling price upon which a series of markup or markdowns will be based, all subsequent changes:
A. will be based on cost B. will be based on either cost or selling price for markups, and selling price for markdowns C. will be based upon selling price D. will result in a profit when using markups, and a loss using markdowns
Answer the question or solve the problem.If a ? b, is it always true that -4a ? -4b? Explain.
What will be an ideal response?
Express the statement as an equation involving the indicated variables.The circumference C of a circle is the product of ? and its diameter d.
A. C = 
B. C = ? + d
C. C = 2?d
D. C = ?d