Druhá mocnina

a . a = a 2                                                                         S štvorec  = a . a          =>        S štvorec  = a 2

 a - základ, 2 mocniteľ (exponent)                                                     

 

 

0,1 2 = 0,1 . 0,1 = 0,01                                                        

10 2 = 10 . 10 = 100

100 2 = 100 . 100 = 10000 ........  2 - krát viac des. miest, 2- krát viac núl

 

Príklad:

 

 

1. 42 =                                                       6. 4002 =                                              11. 1402 =

2. 1,52 =                                                    7. 1102 =                                              12. 02 =

3. (-3)2 =                                                   8. 0,052 =                                              13. (-0,5) 2 =

4. (-0,14)2 =                                              9. (-60)2 =                                             14. (-130)2 =

5. 0.092 =                                                 10. (-0,3)2 =                                           15. (-0,08)2 =

 

                                                                                                p.r.

 

                                                                                                                                                                                      p.r.