Estimate the answer by rounding as indicated.Estimate the product by rounding each factor to the nearest hundred.609 × 406
A. 240,000
B. 24,000,000
C. 2400
D. 24,000
Answer: A
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Solve the problem.Find the equation of the plane containing the line x = -3 + t, y = 7 - 2t, z = 4 - t and the point (-3, 7, 4).
A. x - 3y - 4z = -8 B. x + 3y - 4z = -8 C. x + 3y + 4z = -8 D. x - 3y + 4z = -8
Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
Solve the problem.Find the center of mass of the hemisphere of constant density bounded 
and the 
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 1
D. 
= 0, 
= 0, 
= 
Solve the problem.A brick staircase has a total of 17 steps. The bottom step requires 110 bricks. Each successive step requires 5 less bricks than the prior one. How many bricks are required to build the staircase?
A. 2550 bricks B. 1190 bricks C. 1147.5 bricks D. 2380 bricks