Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.(1024h2k4)3/2
A. 32,768h3k6
B. 1024h3k6
C. 32,768k3h6
D. 32,768h3k3
Answer: A
Mathematics
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Provide an appropriate response.Express in scientific notation: 7,215
A. 0.7215 × 104 B. 7.215 × 103 C. 7.215 × 104 D. 72.15 × 102
Mathematics
Determine the vertex and the x-intercepts. Then sketch the graph.y = x2 + 2x - 8
A. 
Vertex: (1, 9);
x-intercepts: (-2, 0) and (4, 0)
B. 
Vertex: (- 1, - 9);
x-intercepts: (-4, 0) and (2, 0)
C. 
Vertex: (1, - 9);
x-intercepts: (-2, 0) and (4, 0)
D. 
Vertex: (- 1, - 9);
x-intercepts: (4, 0) and (2, 0)
Mathematics
Find the product and simplify.
? 
A. 
B. 3
C. 3
D. 
Mathematics
The eccentricity is given of a conic section with one focus at the origin, along with the directrix corresponding to that focus. Find a polar equation for the conic section. e = 
, y = -9
A. r = 
B. r = 
C. r = 
D. r = 
Mathematics