Use a calculator to approximate the root to the nearest thousandth.

A. -2.390
B. -2.420
C. -2.411
D. -2.402


Answer: A

Mathematics

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Solve the problem.Assume that math SAT scores are normally distributed with a mean of 500 and a standard deviation of 100. A score of 560 represents what percentile? Round the percentile to the nearest tenth.

A. 66.7 B. 72.6 C. 70.1 D. 68.8

Mathematics

Solve the problem.The radius of a newly discovered planet is approximately 56,000,000 meters. Rewrite the radius in scientific notation.

A. 5.6 × 108 m B. 5.6 × 106 m C. 56 × 106 m D. 5.6 × 107 m

Mathematics

Perform the indicated operation.Solve for x: 217x = 224(24x)4.

A. 24 B. 1 C. 6 D. 64

Mathematics

Identify the domain and range of the relation.{(-8, -7), (3, -5), (5, -2), (10, 8), (-3, 2)}

A. Domain: {2, 3, -5, 10, 8}; Range: {5, -2, -8, -7, -3} B. Domain: {5, -2, -8, -7, -3}; Range: {2, 3, -5, 10, 8} C. Domain: {5, -8, -3, 3, 10}; Range: {-2, -7, 2, -5, 8} D. Domain: {-2, -7, 2, -5, 8}; Range: {5, -8, -3, 3, 10}

Mathematics