Perform the indicated operation without the use of a calculator and express each answer in scientific notation.

A. 5 × 1011
B. 5 × 10-3
C. 5 × 10-11
D. 5 × 103

Answer: A

Mathematics

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Evaluate the limit.



a. -448
b. -1070
c. -1090
d. -1080
e. 320

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Determine if the sequence is arithmetic, geometric, or neither. If arithmetic or geometric, determine the first term and the common difference or common ratio.

A. neither arithmetic nor geometric
B. Geometric; a = 1, r = 
C. Geometric; a = , r = 
D. Arithmetic; a = , d = 

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Find the inverse, if it exists, of the given matrix.

A.

B.

C.

D.

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Find fx, fy, and f?.f(x, y, ?) = x?

A. fx = ?; fy = ; f? = x
B. fx = ?; fy = - ; f? = x
C. fx = ?; fy = ; f? = x
D. fx  = ?; fy = - ; f? = x

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Mathematics