Perform the indicated computations. Write the answer in scientific notation.(2 × 105)-1

A. 2 × 10-4
B. 5 × 10-6
C. 2 × 10-5
D. 5 × 104


Answer: B

Mathematics

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Find the slope of the polar curve at the indicated point.r = 9 sin 4?, ? = 0

A. 1 + 
B. -1
C. 0
D.

Mathematics

Expand the expression.log8  xy

A. log4  x + log4  y B. log8  x - log8  y C. log8  x + log8  y D. log4   x - log4  y

Mathematics

Fill in the digits for the given place values in the following whole number.49,386thousands tens 

A. thousands: 9, tens: 4 B. thousands: 8, tens: 6 C. thousands: 9, tens: 8 D. thousands: 3, tens: 6

Mathematics

Find the domain and range of the relation.{(-15.02, -8.91), (-6.34,-6.05), (-3.8,-3.9), (4.53, -0.98), (12.13, 4.3)}

A. D= {-8.91, -6.05, -0.98, 4.3}; R = {-15.02, -6.34, -3.8, 4.53} B. D = {-15.02, -6.34, 4.53, 12.13}; R= {-8.91, -6.05, -3.9, -0.98} C. D = {-15.02, -6.34, -3.8, 4.53, 12.13}; R = {-8.91, -6.05, -3.9, -0.98, 4.3} D. D = {-8.91, -6.05, -3.9, -0.98, 4.3}; R = {-15.02, -6.34, -3.8, 4.53, 12.13}

Mathematics