Find the exact value of the logarithmic expression.ln e

A. 1
B. 0
C. -1
D. e


Answer: A

Mathematics

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The augmented matrix is in row-echelon form and represents a system of linear equations. Solve the system using backward substitution.  Write the solution as an ordered triple, if possible.

A. No solution B. (4, -4, 2) C. (2, -4, -24) D. (-12, 4, 2)

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Simplify. Do not use negative exponents in your answer.(x-4y-3)(x8y-7)

A.
B.
C.
D. x4y10

Mathematics

Calculate.7.56 + 3

A. 11.16 B. 10.86 C. 7.56 D. 11.08

Mathematics

Rewrite the given expression using exponential notation.20 ? 20 ? 20 ? 20 ? 20

A. 5 ? 20 B. 5 ? 515 C. 520 D. 205

Mathematics