SIG FIGS

PRE-QUIZ PRACTICE

 

NAME_____________________________________________________ HOUR_____________________

PART 1:  HOW MANY SIG FIGS?

Please determine how many sig figs are in each number.  Write the number of sig figs in the blank

1.)    3657 ____________                                                  6. ) 10099 ____________

 

2.)   100.78  ____________                                               7.)  0.465  ____________

 

3.)   0.233 0 ____________                                               8.)  0.0001  ____________

 

4.)   0.02020 ____________                                              9.)  2000  ____________

 

5.)    500.  ____________                                                  10.)  80,000  ____________

 

PART 2:  WORKING WITH SIG FIGS

Please perform the following calculations.  Be sure to round your answer to include the correct number of sig figs.  If a unit is needed, be sure to include it with your answer

1.)    6.00 m X 5.00 m =

 

2.)     303.36  cm² / 8.00  cm=

 

3.)   0.0025 km  x 1.000  km =

 

4.)   50.0 s  / 4.4995 s=

 

5.)   25 g x 4.0 g =

 

6.)   28.04  L / 25  L=

 

7.)   5.011 s² x 7.735 s=

 

8.)   456.46  km² / 23.5439  km=