Exam 3: Rounding and the Significance of Figures

How should the answer for the following calculation based on three measurements be written to account for the number with the highest degree of uncertainty? 10 + 101 + 1111 = 1222

Absolute uncertainty represents the raw amount of uncertainty in a measurement.How does relative uncertainty relate to this?

Which of the following is true about exact numbers and inexact numbers?

A laboratory technician dissolves 5.255 grams of sucrose in water and brings the final volume to 1.0 liter.Which of the following expresses the resulting concentration with the correct number of significant figures?

Which of the following numbers contains an embedded zero?

A scientist measures the volume of a liquid and determines it to be 324 mL.However,for the purposes of her experiment,the value must be rounded to the nearest hundred.Which of the following value should she use?

Which statement is accurate regarding the total number of significant figures a number contains?

Which of the following zero types is always significant?

Consider the following measurement. 0.00153 ↑ Is the number above the arrow a significant digit?

What is a trailing zero?

Why is a value obtained by measuring something considered inexact?

You are given the number 62,359 and asked to round it to the nearest ten.What number would the "5" currently located in the tens column be after rounding?

What should be done to the rounding digit if the number to the right of it is less than 5?

What does the exponential term in an exponential expression tell us about the number of significant figures?

Which of the following statements is true regarding the use of significant figures in science?

What is the rule for determining the number of significant figures to include in the product of a calculation that combines multiplication and subtraction?

Two samples are weighed.In which of the following sets of weights would the two results round to the same whole number?