Multiplication and Division of Significant Figures 

 


RULE:  In multiplication and division, the result may have no more significant figures than the factor with the fewest number of significant figures.

 

Directions: Perform all the operations on a calculator and write the answers with the correct number of significant figures.

 

1.                  (3.4617 * 102) (5.61 * 10-4)                                        =         

(9.87 * 105) (3.1) (1.171 * 104)

 

 

2.                  (3.52164 * 102) (3.1741 * 105)                                    =

(8.22 * 107) (4.65217 * 10-3) (9.711 * 104)

 

 

3.                  (1.8741 * 1011)________                                            =                      

(5.6 * 104) (2.173 * 106)         

 

 

4.                  (1.745 * 10-2) (9.51 * 10-7)                                          =         

(16.21) (9.346 * 10-10)

 

 

5.         (9.714 * 105) (3.1671 * 109)                                        =

(4.1112) (2.631 * 105) (9.7713 * 1011)

 

 

6.         (561.1) (34731) (23)                                                    =

            (112) (24713)

 

 

7.         (134.75) (25.83)                                                          =

(45.111) (85) (124.73)

 

 

8.         (3.4721 * 105)                                                             =

            (5.6145 * 107) (2.183 * 104) (9.5 * 101)