Solve.Anna spent 4.77 hours doing her math homework. Write this decimal in words.
A. four and seventy-seven tenths
B. four and seventy-seven hundredths
C. four and seventy-seven thousandths
D. four and seventy-seven millionths
Answer: B
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Use the guidelines to evaluate the study. From the information given, what is the biggest flaw in the study?A pharmaceutical company conducted a study to test the effectiveness of its new anti-depression medication. 500 adults suffering from depression were selected at random and were randomly assigned to either a treatment group or a placebo group. The experiment was double blind. The results were analyzed by the company.
A. Confounding variables B. The setting may not encourage honest responses C. Selection bias D. Variables are difficult to define/measure E. The source of the study
Solve the problem.The perimeter of a rectangle, P, is given by P = 2L + 2W, where L is its length and W is its width. What is the perimeter of a rectangle of length 20 ft and width 14 ft?
A. 136 ft B. 68 ft C. 54 ft D. 34 ft
Find the exact value of the logarithmic expression.log1/5 25
A. 2
B. 
C. - 
D. -2
Write the ratio as a fraction in lowest terms.$15 : $48
A. 
B. 
C. 
D. 