Find the number of molecules in the given quantity of a compound whose molar mass is given. Express your answer in scientific notation, rounding the decimal part to the nearest hundredth.50 grams of carbon monoxide (CO); molar mass: 28.01 grams
A. 8.43 × 1026 molecules
B. 1.07 × 1024 molecules
C. 8.43 × 1027 molecules
D. 1.07 × 1023 molecules
Answer: B
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Solve the problem.The table lists the monthly precipitation P in Salem, Missouri, where x = 1 corresponds to January and 
corresponds to September.
Determine the value of P during September.
A. 1.4 inches B. 2.4 inches C. 1.2 inches D. 1.7 inches
Solve the problem.The number of users logging on to an online gaming website are shown in the table for various years.
Let n be the number of users (in millions) in the year that is t years since 2000. A model of the situation is 
Predict when the number of users will reach 36 million.
A. 2016 B. 2014 C. 2015 D. 2017
Multiply.
A. x2 - 
x + 
B. x2 + 
x + 
C. x2 + 
x + 
D. x2 + 
x + 
Find the x-value of all points where the function has relative extrema. Find the value(s) of any relative extrema.f(x) = x2/5 - 1
A. No relative extrema. B. Relative maximum of 2 at 10. C. Relative minimum of -2 at 0. D. Relative minimum of -1 at 0.