Solve the problem and write the answer using scientific notation.A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion 
calculations?
A. 1.4 × 106 sec
B. 1.4 × 1012 sec
C. 1.4 × 10-7 sec
D. 1.4 × 105 sec
Answer: D
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Factor completely. If the polynomial is prime, state so.72x3 - 48x5 - 27x
A. prime B. -3x(4x2 + 3)2 C. -3x(4x2 - 3)2 D. 3x(4x2 + 3)(4x2 - 3)
Divide.
÷ 
A. 
B. 
C. - 
D. 
Determine whether or not the function is linear. If it is, determine the slope and interpret it.The height of an object t seconds after being dropped from an altitude of 249 feet is given by the function h(t) = -16t2 + 249.
A. Not linear B. Linear; -16; The height of the object increases 16 feet each passing second. C. Linear; -16; The height of the object decreases 16 feet each passing second. D. Linear; 249; The height of the object decreases 249 feet each passing second.
Solve the equation by using the square root property. Express any complex numbers using i notation.(3x + 4)2 = 5
A. x = - 3, 
B. x = 
C. x = 
D. x = 