Use a calculator to perform the operation. Express your answer in scientific notation.
A. 1.39 × 10-3
B. 1.39 × 10-11
C. 1.39 × 10-1
D. 1.388728918 × 10-11
Answer: B
Mathematics
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Factor the perfect square trinomial.49x2 + 14x + 1
A. (7x + 1)(7x - 1) B. (x + 7)2 C. (7x + 1)2 D. prime
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Add and simplify.
+ 
A. 
B. 
C. 
D. 
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Solve the problem. Write the probability in simplest form.A lottery game contains 22 balls numbered 1 through 22. What is the probability of choosing a ball numbered 23?
A. 0
B. 22
C. 
D. 1
Mathematics
Specify the area, A, that the following integral represents by identifying the function and interval.
dx
A. f(x) = 7x3, [4, 8] B. f(x) = 7x3 + 8, [1, 4] C. f(x) = 7x3, [8, 4] D. f(x) = 7x3 + 8, [4, 1]
Mathematics