Which of the following presents the correct order of buttons to press on a scientific calculator to enter 8.6 x 10-4?
A. [EE] - [8] [6] [] [4]
B. [8] [EE] [6] [] [4] ||
C. [8] [] [6] [EE] [4]
D. [8] [] [6] [EE] : [4]

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The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3