Write in scientific notation.0.000407
A. 4.07 × 10-5
B. 4.07 × 104
C. 4.07 × 10-4
D. 4.07 × 10-3
Answer: C
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Write the augmented matrix for the system. 4x + 7y = 60 2y = 8
A. 
B. 
C. 
D. 
Solve the problem.Consider the graph of f(x) = 
, 0 ? x ? 1. What symmetry does the graph have? Is f its own inverse?
A. The graph of f has no symmetry. The function f is not its own inverse because there is no symmetry.
B. The graph of f is symmetric with respect to the line y = x. The function f is its own inverse because (f?f)(x) = x.
C. The graph of f is symmetric with respect to the y-axis. The function f is its own inverse because (f?f)(x) = x.
D. The graph of f is symmetric with respect to the y-axis. The function f is not its own inverse because (f?f)(x) = 
.
Express the number in standard notation.8.208 × 10-6
A. 0.000008208 B. 0.00008208 C. -8,208,000 D. 0.0000008208
Find the missing values.
A. $237.80, $582.20 B. $123.00, $697.00 C. $246.00, $574.00 D. $254.20, $565.80