What is 2 4/10 expressed as a decimal?

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old