Help plz ASAP , geometry

S-7< 3 i need answering this problem someone asap answer

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.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?