Simplify the expression involving rational exponents.(-27)1/3
A. 3
B. Not a real number
C. -3
D. -27
Answer: C
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Solve the problem. Express your answer in scientific notation, and round to one decimal place. The speed of light is 1.86 × 105 miles/second. How far can light travel in one hour? Round to one decimal place.
A. 6.7 × 10-8 miles B. 6.7 × 108 miles C. 6.7 × 106 miles D. 6.7 × 109 miles
Represent the fraction as a decimal by using the long-division algorithm.
A. 0.428
B. 0.
C. 0.
D. 0.429
Simplify the trigonometric expression by following the indicated direction.Rewrite over a common denominator: 
+ 
What will be an ideal response?
Use the given table to find the indicated probability.College students were given three choices of pizza toppings and asked to choose one favorite. The following table shows the results.
A student is selected at random. Find the probability that the student's favorite topping is meat given that the student is a junior.
A. 0.307 B. 0.052 C. 0.158 D. 0.190