Question

1. Oblicz potęgi:

2⁵

(-3)³

\frac{2}{7}⁴

(1\frac{1}{4})²

(-2\frac{1}{7})³

1³²⁰

(-2,2)³

10⁵

(-45)⁰

2. Usuń niewymierność mianownika:

\frac{5}{√15}

\frac{8}{∛2}

\frac{3}{√2+2}

Answer 1

= 32

 

= (-3)(-3)(-3)=9(-3)=-27

 

 

 

 

1³²⁰=1

 

(-2,2)³=

 

10⁵= 1 00 000

 

(-45)⁰=1

 

2.

 

=