Use a scientific calculator and common logarithms or natural logarithms to evaluate. Round to four decimal places. log984.80
A. 9.4222
B. 2.0209
C. 0.4948
D. 1.9284
Answer: B
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Find the expected value.In a large casino, the house wins on one of its games with a probability of 50.5%. All bets are 1 : 1 . If you win, you gain the amount you bet; if you lose, you lose the amount you bet. If you play 200 games in an evening, betting $1 each time, how much should you expect to win or lose?
A. Lose $101.00 B. Lose $2.00 C. Lose $1.00 D. Win $2.00
Find the x-intercepts and y-intercept of the graph of the given quadratic equation.y = 3x2 + 9x - 12
A. x-intercepts (1, 0) and (-4, 0); y-intercept (0, -12) B. x-intercepts (-1, 0) and (-4, 0); y-intercept (0, 12) C. x-intercepts (-1, 0) and (4, 0); y-intercept (0, -12) D. x-intercepts (1, 0) and (4, 0); y-intercept (0, 12)
Choose the best answer.A cheerleader's baton is about how long?
A. 1.1 cm B. 1.1 m C. 1.1 mm D. 1.1 km
Find 
. Write the answer in polar form with the argument between 0° and 360°z1 = 1 + i, z2 = 1 - 
i
A. 
(cos 105° + i sin 105°)
B. 
(cos 105° + i sin 105°)
C. 
(cos 15° + i sin 15°)
D. 
(cos 15° + i sin 15°)