Provide an appropriate response.A mountain's peak is 28,700 feet above sea level. Write 28,700 in scientific notation.
A. 2.87 × 10-5
B. 2.87 × 105
C. 2.87 × 104
D. 2.87 × 106
Answer: C
Mathematics
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A. 35.8 B. 2.58 C. 25.8 D. 3.58
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Evaluate the expression for the given values.(a + b)(a2 - ab - b2), if a = 6 and b = -5
A. 41 B. 31 C. 91 D. 451
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The polar equation of the graph is either r = a + b cos ? or r = a + b sin ?, a > 0, b > 0. Match the graph to one of the equations. 
A. r = 4 + 2 sin ? B. r = 2 + 4 sin ? C. r = 4 + 2 cos ? D. r = 2 + 4 cos ?
Mathematics
Write the number in scientific notation.408
A. 4.8 × 102 B. 4.8 × 103 C. 4.08 × 102 D. 4.08 × 103
Mathematics