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

Mathematics

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Graph the function. Determine the symmetry, if any, of the function.y = (-x)5/2

A. No symmetry

B. No symmetry

C. Symmetric about the y-axis

D. Symmetric about the y-axis

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Change 1.5 to a percent.

A. 0.015% B. 150% C. 1.5% D. 15%

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Evaluate.

A. -i B. -1 C. i D. 1

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Solve the problem.Suppose you pay $3.00 to roll a fair die with the understanding that you will get back $9.00 for rolling a 5 or a 1, nothing otherwise. What are your expected winnings?

A. $3.00 B. $9.00 C. $0 D. -$3.00

Mathematics