?Which of the following answer is equivalent to(3×103)(1.1×104)?
?
A. ?3.3×103
B. ?330
C. ?33,000,000
D. ?3.3
E. ?33
Answer: C
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Solve the equation. Use natural logarithms. When appropriate, give solutions to three decimal places unless otherwise indicated.ln e9x = ?
(Give the exact solution.)
A. 
B. 
C. {? - 9}
D. {9?}
Solve the problem.The revenue achieved by selling x graphing calculators is figured to be 
The cost of each calculator is 
How many graphing calculators must be sold to make a profit (revenue - cost) of at least $312.80?
A. between 36 and 44 calculators B. between 34 and 46 calculators C. between 35 and 33 calculators D. between 14 and 26 calculators
List the intercepts and type(s) of symmetry, if any.4x2 + y2 = 4
A. intercepts: (2, 0), (-2, 0), (0, 1), (0, -1) symmetric with respect to x-axis and y-axis B. intercepts: (1, 0), (-1, 0), (0, 2), (0, -2) symmetric with respect to x-axis and y-axis C. intercepts: (1, 0), (-1, 0), (0, 2), (0, -2) symmetric with respect to x-axis, y-axis, and origin D. intercepts: (2, 0), (-2, 0), (0, 1), (0, -1) symmetric with respect to the origin
Solve by completing the square.z2 + 18z = -66
A. {9 + 
}
B. {-18 + 
}
C. {9 ± 
}
D. {-9 ± 
}