Solve the problem.The gravitational attraction between two masses varies inversely as the square of the distance between them. If the force of attraction is 4 lb when the masses are 3 ft apart, what is the attraction when the masses are 6 ft apart?

A. 3 lb
B. 4 lb
C. 2 lb
D. 1 lb


Answer: D

Mathematics

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Express the number in decimal notation.4.14 × 10-4

A. 0.0000414 B. -414,000 C. 0.000414 D. 0.00414

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