Write the number in standard notation.A light-year is a measure of length defined as the distance that light travels in one year, which is about  kilometers. Write this number in standard notation.

A. 9.500000000000
B. 9,500,000,000
C. 0.0000000000095
D. 9,500,000,000,000


Answer: D

Mathematics

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A. (x + 2)(x2 + x + 2) + 11 B. (x + 2)(3x2 - 4x + 2) + 19 C. (x + 2)(x2 - 3x + 6) - 5 D. (x + 2)(x2 - 3x + 6) + 7

Mathematics

Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?

A. $0.75 B. $2.00 C. -$3.00 D. $3.00

Mathematics

The graph of a logarithmic function is shown. Select the function which matches the graph.

A. y = log(x - 1) B. y = log(1 - x) C. y = log x - 1 D. y = 1 - log x

Mathematics

Write true or false for the statement.An isosceles triangle has two sides of equal length.

A. True B. False

Mathematics