Ineed solving
1. jack and his friends are collecting cans for the food bank. thus far, they have collected 1500 cans. jack has collected 60 percent of the cans. marcia has collected 25 percent of the cans. how many cans have their other friends collected thus far?

What is the number 321,000,000 in scientific notation? also what is the number? ?

Ben and cam are scuba diving. ben is 15.815.8 meters below the surface of the water. cam is 4.24.2 meters above ben. what is cam's position relative to the surface of the water? choose 1 choose 1 (choice a) a 11.611.6 meters above the surface of the water (choice b) b 11.611.6 meters below the surface of the water (choice c) c 2020 meters above the surface of the water (choice d) d 20 meters below the surface of the water

Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?