Assume that when adults with smartphones are randomly​ selected, ​% use them in meetings or classes. If adult smartphone users are randomly​ selected, find the probability that exactly of them use their smartphones in meetings or classes. The probability is nothing. ​(Round to four decimal places as​ needed.)

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

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250