Find the correlation coefficient.Consider the data points with the following coordinates: 
A. 0.5370
B. -0.0781
C. 0.2245
D. 0.0537
Answer: D
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Provide an appropriate response.Consider the velocity field F, which has for every z the configuration shown.
Will a paddle wheel with vertical axis at p rotate clockwise, counter clockwise or not rotate?
A. clockwise B. counter clockwise C. not rotate
Perform the indicated operation(s). Where possible, reduce the answer to lowest terms.
÷ 
A. 0
B. 
C. 
D. - 
Solve the problem.The amount of a certain radioactive isotope present at time t is given by 
grams, where t is the time in years that the isotope decays. The initial amount present is 400 grams. How many grams remain after 20 years? Round to the nearest hundredth.
A. 234.78 g B. 397.87 g C. 681.48 g D. 379.25 g
Multiply.9041 ? 10
A. 904,100 B. 90,410 C. 94,100 D. 94,010