Not sure if my daughter´s answers are correct. Can someone make sure they are all correct?

What does it mean by solve the exponential equation for x?

Chose the graph below that represents the following system of inequality’s

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.