Achemist estimated the volume of a solution in a test tube to be 30ml. the actual volume of the solution was 32.5ml. find the absolute error and the percent error of the chemist's estimate. if necessary, round your answers to the nearest tenth.
absolute error= ? ml
percent error = ? %

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.