Math Question: Convert the number 0.00000123 to scientific notation.
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Question: "Graph the exponential function y = 3^x on a coordinate grid, showing the values of x from -4 to 4. What are the y-values when x = -2, -1, 0, 1, and 2?"
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What is the value of sinh(5) - cosh(3) + tanh(4) / sech(2) at x = 0?