Rewrite each number using scientific notation before performing the operation. Leave your answer in scientific notation form.(30,000,000)(0.0005)
A. 1.5 × 102
B. 1.5 × 104
C. 1.5 × 103
D. 0.0
Answer: B
Mathematics
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Find the vertex, focus, and directrix of the parabola. Graph the parabola.y2 - 12y + 8x + 84 = 0
A. vertex: (-6, 6)
focus: (-4, 6)
directrix: x = -8
B. vertex: (6, -6)
focus: (6, -4)
directrix: y = -8
C. vertex: (-6, 6)
focus: (-8, 6)
directrix: x = -4
D. vertex: (6, -6)
focus: (6, -8)
directrix: y = -4
Mathematics
Evaluate.
, when m = 16 and n = 2
A. 64 B. 32 C. 4 D. 8
Mathematics
Multiply and simplify.-6z ? 
A. 0 B. 36z C. 1 D. -1
Mathematics
Multiply.-12(-12)
A. -156 B. 144 C. 156 D. -144
Mathematics