If n is a natural number, then 10-n = 
. Negative powers of 10 can be used to write the decimal part of Hindu-Arabic numerals in expanded form. Express the expanded form as a Hindu-Arabic numeral.(5 × 10-1) + (5 × 10-3) + (9 × 10-5) + (9 × 10-7) + (7 × 10-8) + (5 × 10-9)
A. 0.5059975
B. 0.559975
C. 0.505090975
D. 0.50509090705
Answer: C
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Identify the sampling technique used to obtain a sample.The first 20 people to arrive at a town meeting are surveyed to find out their opinion on a proposed bond referendum.
A. Cluster sampling B. Stratified sampling C. Convenience sampling D. Systematic sampling
Determine whether the equation is linear or nonlinear.
+ 1 = 11
A. linear B. nonlinear
Find the slope-intercept form of the equation of the line with the given properties.Slope = 4; containing the point (-2, -4)
A. y = 4x + 4 B. y = 4x - 4 C. y = -4x + 4 D. y = -4x - 4
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.[-2, 0]
A. decreasing B. increasing C. constant