Write the number in scientific notation.780,000
A. 7.8 × 10-4
B. 7.8 × 105
C. 7.8 × 104
D. 7.8 × 10-5
Answer: B
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Apply Green's Theorem to evaluate the integral.
(x + 2y)dx + 4xy dy; C the the triangle with vertices (0, 0), (3, 0) and (0, 3).
A. 18 B. 54 C. 9 D. 27
For the given data value, find the standard score and the percentile.A data value 2.3 standard deviations below the mean.
A. z = -2.3; percentile = 1.07 B. z = -2.3; percentile = 98.93 C. z = -0.23; percentile = 40.13 D. z = 2.3; percentile = 98.93
Determine what the next equation would be, and verify that it is indeed a true statement.18 × 19 = 20 × 21 - (18 + 19 + 20 + 21)19 × 20 = 21 × 22 - (19 + 20 + 21 + 22)
A. 20 × 21 = 22 × 23 - (20 + 21 + 22 + 23) B. 21 × 22 = 23 × 24 - (20 + 19 + 18 + 17) C. 20 × 21 = 22 × 23 - (18 + 19 + 20 + 21 + 22 + 23) D. 21 × 22 = 23 × 24 - (21 + 22 + 23 + 24)
Find the midpoint of the segment with the given endpoints.(-7, 1) and (-6, -2)
A. (-1, 3)
B. 
C. 
D. (-13, -1)