If it takes 100,000 years for a plate to move two kilometers, how long will it take Los Angeles, on the edge of the Pacific Plate, to slide alongside San Francisco, which is 558 kilometers away on the North American Plate?

Write the expression as a single natural logarithm. 2 in a - 4 in y

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.