Perform the indicated operation. Write the answer in proper scientific notation.6.7 × (4.71 × 10-4)
A. 3.1557 × 10-4
B. 31.557 × 10-4
C. 3.1557 × 10-3
D. 3.1557 × 10-5
Answer: C
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Find the indicated probability. Round your answer to 6 decimal places when necessary.One card is selected from a deck of cards. Find the probability of selecting a black card or a queen.
A. 
B. 
C. 
D. 
The equation of change for a certain population is
.
A: Plot the graph of 
versus N.B: Explain in practical terms what the graph in part A shows us.C: What are the equilibrium solutions for this equation of change?D: What is happening to the population when it reaches the value of an equilibrium solution?
What will be an ideal response?
Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Foci at (0, -25), (0, 25); asymptotes: y = 
x, y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Solve the problem.The charge for renting a video is $2 plus $4 per day of renting. Give an expression for the cost C of renting a video for n days.
A. C = 2n + 4n B. C = 2n C. C = 4n D. C = 2 + 4n