Chemistry Test Questions 225 |29 Questions| With Correct Answers.

Which metric prefix is used to designate 1/10 {Ans: d}The number 14.809 rounded to the three significant figures is {Ans: 14.8}Using the rules of significant figures, calculate the following 70+4.4461 {Ans: 70}A student finds that the weight of an empty beaker is 14.049g. She places a solid in the beaker to give a combined mass of 14.142g. To how many significant figures is the mass of the solid known? {Ans: 2}Using the rules of the siginifcant figures, calculate the following : 12.67 + 13.005 {Ans: 25.68}How many significant numbers are in the number 3.400? {Ans: 4}