Use the given vectors to find the indicated expression.v = -3i - 4j + 4k, w = 2i + 2j - 3kFind v × (2w).
A. 16i - 10j - 4k
B. -8i + 30j - 4k
C. -4i + 7j + 10k
D. 8i - 2j + 4k
Answer: D
Mathematics
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Use the at least once rule to find the indicated probability.Find the probability of at least one queen when you draw cards from a standard deck 8 times; assume you replace the card each time you draw , so there are always 52 cards to draw from.
A. 0.900 B. 0.044 C. 0.527 D. 0.473
Mathematics
Simplify the exponential expression using the rules for exponents. 
-2
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.
A. 
B. 
C. 
D. 
Mathematics
Find the quotient using long division.
A. x4 + 9x3 + 15x2 -5 B. x3 - 6x2 + 3x + 4 C. x3 + 6x2 - 3x + 4 D. x3 + 9x2 + 15x - 9
Mathematics