Evaluate by using scientific notation and the laws of exponents. Leave you answer in scientific notation.
A. 32 × 1020
B. 5 × 1021
C. 5 × 1020
D. 32 × 1021
Answer: B
Mathematics
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Choose the equation that matches the graph.
A. 16x2 - 9y2 = 144 B. 9x2 + 16y2 = 144 C. 9x2 - 16y2 = 144 D. 16x2 + 9y2 = 144
Mathematics
Match the equation with its graph.y = -3x
A. 
B. 
C. 
D. 
Mathematics
Perform the division.
A. z - 7
B. z - 7 + 
C. z + 7 - 
D. z + 7
Mathematics
Solve the inequality. Express your answer using interval notation.x + 7 < 2
A. (-5, ?)
B. (-?, -5)
C. (-?, 9)
D. (-?, 9]
Mathematics