rewarding and if you dont look for a unanswered question i posted or lmk if you want me to post one (NOT THIS ONE)

What is the standard form of -5x^2+2x^4-11+x^3+3x

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

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.