Subtract.684 - 168
A. 500
B. 616
C. 526
D. 516
Answer: D
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Write as a percent. 0.00088
A. 0.000088% B. 0.0088% C. 0.088% D. 0.88%
Solve the problem.An electrician is working on a project for which she will need to run straight conduit pipe for lengths of 98 feet, 84 feet, and 126 feet. She wants to precut pieces of pipe to one standard length so that she can connect the pieces to obtain the three lengths she needs. What is the longest length that she can make the precut pieces?
A. 14 ft B. 16 ft C. 7 ft D. 12 ft
Body surface area (BSA) is often used to calculate dosages for some drugs. BSA is calculated in square meters using a person's weight and height.BSA = 
Suppose an adult whose height is 72 in. and weight is 74 kg is to receive a drug that has a recommended dosage range of 10-12 mg per square meter. Find the dosage range for this adult. Round to the nearest hundredth, if necessary.
A. 19.39 mg to 23.27 mg B. 7.63 mg to 9.16 mg C. 193.89 mg to 232.66 mg D. 12.17 mg to 14.6 mg
Solve the problem.The gross national product for the United States was 
. Round this amount to the nearest hundred-billion.
A. $51,200,000,000,000 B. $51,211,000,000,000 C. $51,210,000,000,000 D. $51,000,000,000,000