Express the number in scientific notation.0.0000004
A. 4 × 10-6
B. 4 × 10-8
C. 4 × 10-7
D. 4 × 10-9
Answer: C
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?Which of the following is not true about expected values and fair games?
A. ?A fair game is a game when the expected value is equal to 0. B. ?Expected values of games that are negative, for the player, represent a loss for the player. C. ?Expected values of games that are positive, for the casino, represent a gain for the player. D. ?The outcome from playing 5 games does not necessarily reflect the expected value of the game. E. ?None of the above.
Find the area of the region specified in polar coordinates.The smaller loop of the curve r = 6 + 12 sin ?
A. 18(2? + 3
)
B. 9(2? - 3
)
C. 9(2? + 3
)
D. 18(2? - 3
)
Indicate whether the graph represents a consistent, inconsistent, or dependent system.
A. Consistent B. Inconsistent C. Dependent
Factor.9x4 + 27x2 + 20
A. (3x2 + 5)(3x2 + 4) B. (3x2 + 20)(3x2 + 1) C. (3x2 - 5)(3x2 - 4) D. (9x2 + 5)(x2 + 4)