A single die is rolled twice. Find the probability of getting a 2 the first time and a 2 the second time.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.