Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300
B. $0.60
C. $1
D. $100
Answer: B
Mathematics
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Write the number in scientific notation.86,000
A. 8.6 × 10-5 B. 8.6 × 104 C. 8.6 × 105 D. 8.6 × 10-4
Mathematics
Multiply.376 × 4
A. 1,604 B. 1,404 C. 1,504 D. 1,514
Mathematics
Find the least common multiple.20, 32
A. 640 B. 160 C. 52 D. 32
Mathematics
Solve the equation.y2 = 
A. 
B. -8, 8
C. - 
, 
D. - 
, 
Mathematics