Solve the application. Write the following number in standard form.The speed of light is 1.86 × 105 miles per hour.
A. 18,600,000
B. 186,000
C. 1,860,000
D. 0.0000186
Answer: B
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Determine whether the pair of vectors is orthogonal.
, 
A. Yes B. No
Solve the problem.A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed the angle of depression to the boat is 16° 23'. When the boat stops, the angle of depression is 49° 29' . The lighthouse is 200 feet tall. How far did the boat travel from when it was first noticed until it stopped? Round your answer to the hundredths place.
A. 531.86 ft B. 554.56 ft C. 494.06 ft D. 509.36ft
Write the rational expression in lowest terms.
A. 3k B. 3k2 C. 12k2 D. 12
Solve the problem.In how many ways can five pairs of socks be chosen from a collection of ten socks?
What will be an ideal response?