Find all cube roots of the complex number. Leave answers in trigonometric form.125
A. 5 cis 90°, 5 cis 210°, 5 cis 330°
B. 5 cis 0°, 5 cis 60°, 5 cis 120°
C. 5 cis 45°, 5 cis 165°, 5 cis 325°
D. 5 cis 0°, 5 cis 120°, 5 cis 240°
Answer: D
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Determine whether the following is always true or not always true. Given reasons for your answers.|u| = 
What will be an ideal response?
Answer the question(s) based on the following situation: Over the last 80 years records have been kept of the annual rainfall in the Tasmanian desert. The distribution of annual rainfall is approximately normal and has no outliers. The minimum of 2.5 inches of rain occurred in 1959; the maximum of 9.7 inches of rain occurred in 1938.Two years ago, the annual rainfall was 7.3 inches. The standardized value corresponding to this rainfall is approximately
A. 1. B. 0. C. -0.5. D. 0.5. E. none of these
Write the decimal as a fraction or mixed number in lowest terms.15.98
A. 1
B. 15
C. 1598
D. 159
Convert to scientific notation.160,000
A. 1.6 × 10-4 B. 1.6 × 104 C. 1.6 × 10-5 D. 1.6 × 105