An internal angle of a regular polygon is 160 degrees, how many sides does it have

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.

Acircle has a circumference of 28.36 units what is the diameter of the circle

What is the sum of the first 8 terms of the geometric series