I need help I don’t understand

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.

Prove that quadrilateral is a rhombus.

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose