Use exponential notation to write the repeated multiplication.9 ? 5 ? 5 ? 5 ? 5 ? 5
A. (9 ? 5)5
B. 19 ? 55
C. 455
D. 9 ? 55
Answer: D
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Use a day counting table to find the exact number of days from the first date to the second date. Assume the year is not a leap year unless otherwise indicated.August 25 to March 8 (the year of the March date is not a leap year)
A. 171 B. 237 C. 195 D. 170
Solve the problem.The profit function for a product is given by P(x) = -0.7x3 + 115.5x2 - 3710x - 84,000 dollars, where x is the number of units produced and sold. Determine the levels of production and sale that give break-even.
A. 80 or 100 units B. 120 units C. 100 units D. 90 or 120 units
Decide if the answer is reasonable or unreasonable by rounding the numbers and estimating the answer. If the answer is not reasonable, find the correct answer.75.13 ÷ 22.8 = 0.33
A. Unreasonable, should be 33 B. Unreasonable, should be 0.033 C. Reasonable D. Unreasonable, should be 3.3
Solve using the quadratic formula.9x2 + 21x + 10 = 0
A. - 
, - 
B. - 
, - 
C. 
, 
D. 
, - 