Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?

A. 1.4 × 105 sec
B. 1.4 × 10-7 sec
C. 1.4 × 106 sec
D. 1.4 × 1012 sec


Answer: A

Mathematics

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Find the product.(5m2)(4m3)

A. -20m5 B. 20m5 C. 20m D. -20m

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Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. -6x + 6y = -244x + 2y = -8

A. infinitely many solutions and dependent B. (0, -4); consistent and independent C. (-1, -3); consistent and independent D. (0, -3); consistent and independent

Mathematics

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A. Find the x-coordinate of the vertex. B. Find the positive x-intercept. C. Find the y-intercept. D. Find the y-coordinate of the vertex.

Mathematics

Simplify the expression. 

A.
B.
C.
D.
E. none of the above

Mathematics