Vocab
Sig Fig Rules
Add/Subtract Practice
Multiply/Divide Practice
Rounding Practice
100

What is uncertainty?

The estimated range of error in a measurement, indicating the degree of doubt associated with a measured value due to limitations of the measuring instrument or process

100

What do you do to a number if the last digit is less than 5? 

Round down. 

100

What is the correct answer using sig fig rules for 4560 + 12?

4570

100

What is the correct answer using sig fig rules for 3.4 X 27.8?

95

100

Round to 2 sig figs - 4.825

4.8

200

Which digit of a measured number is considered uncertain?

The last digit

200

What do you do when the last digit of a number is greater than 5? 

Round up. 

200

What is the correct answer using sig fig rules for 11.27 - 5.881? 

5.39

200

What is the correct answer using sig fig rules for 6600/2.25? 

2900

200

Round to 1 sig fig - 0.0568

0.06

300

In a graduated cylinder, where do we read the volume of the liquid? 

At the bottom of the curve of the liquid

300

In which math operations do we match the least number of decimal places? 

Addition and subtraction

300

What is the correct answer using sig fig rules for 44.26 + 5.74? 

50.00

300

What is the correct answer using sig figs for 73.82 X 60.2? 

4440

300

Round to 3 sig figs - 5624.8

5620

400

What is a meniscus? 

the curve that forms at the top surface of a liquid in a container

400

In which math operations do we match the least number of sig figs? 

Multiplication and division

400

What is the correct answer using sig fig rules for 22.82 + (2.21 X 3.04)? 

29.54

400

What is the correct answer using sig figs for (112.52 - 64.388) X 0.23100? 

11.12

400

How many significant figures does 292.785854000 have?

12

500

What are significant figures? 

All the digits in a measured value that are known with certainty, plus one additional estimated digit

500

What do we do when the last digit of our number is equal to 5? 

If the digit to be dropped is equal to 5, we round up or down to make the second to last digit an even number.

500

What is the correct answer using sig fig rules for 246.24 + 238.278 + 98.3?

582.8

500

What is the correct answer using sig fig rules for 65.70 / (0.755 + 3.145)?

16.85

500

How many significant figures does 0.09749000 have?

7