Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.-9y0
A. 0
B. -9
C. 1
D. -8
Answer: B
Mathematics
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Convert the base 10 numeral to a numeral in the base indicated.2874 to base 5
A. 424245 B. 424445 C. 424225 D. 422225
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Solve the double inequality.14 < 5x + 4 ? 34
A. 2 < x ? 6 B. 2 < x < 6 C. 2 ? x < 6 D. 2 ? x ? 6
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Find the standard deviation.Lisa is currently taking an astronomy class. The instructor often gives quizzes. On the past seven quizzes, Lisa earned 47, 18, 36, 29, 15, 42, and 77. Find the standard deviation. Round your answer to one decimal place.
A. 20.9 B. 12,588 C. 36 D. 9,956.6
Mathematics