Question

Oblicz:

2^5-1=

12^0+42=

2^-3=

5^2-1/25=

3^3•1/27=

27•3^9:3^10=

125•5^7:5^9=

Answer 1

2^5-1 = 32-1 = 31

12^0+42 = 1+42 = 43 

2^-3= 1/8

5^2-1/25 = 25-1/25 = 24,96

3^3*1/27 = 27*1/27 = 1

27*3^9:3^10 = 3^3*3^9:3^10 = 3^12:3^10 = 3^2 = 9

125*5^7:5^9= 5^3*5^7:5^9 = 5^10:5^9 = 5