zapisz w postaci potegi o wykładniku ujemnym 25-4⁻⁴-9*16⁻²=     oblicz 3⁻²+⅔-(2/4)⁻³=   zapisz wyrazenie w postaci potegi (0,2)⁻²*5⁻³ ------------------------= 10⁻³:(0,1)⁻²

zapisz w postaci potegi o wykładniku ujemnym 25-4⁻⁴-9*16⁻²=    ( po 25 powinno być razy) = 25*(2²)⁻⁴ - 9*(2⁴)⁻² = =  25 *2⁻⁸ - 9*2⁻⁸ = = 2⁻⁸( 25 -9) = = 2⁻⁸*16 = = 2⁻⁸*2⁴ = = 2 ⁻⁴     oblicz 3⁻²+⅔-(2/4)⁻³= = 3⁻² + (2/3) - (1/2)⁻³ = = 3⁻² + (2/3) - 2³ = = (1/3)² + (2/3) - 8 = = (1/9) + (2/3)  -8 = = (2/18) + (12/18) - 8 = = 14/18 - 8 = = 7/9 -8 = = - 7 i 1/9   zapisz wyrazenie w postaci potegi (0,2)⁻²*5⁻³        (1/5)⁻¹ *5⁻³       5¹ *5⁻³         5⁻²        5⁻² ---------------  =  --------------- = -----------  =  -------- =  ------------- = 10⁻³:(0,1)⁻²       10⁻³: 10²            10⁻⁵          (5*2)⁻⁵   5⁻⁵*2⁻⁵     = 5³ *(1/2)⁻⁵ = 5³ *2⁵ = 5³ * 2³ *2² = (5*2)³ *2² =  10³*2² = 2²*10³