Oblicz (od przykładu g do przykładu n)
g]
(2/3)^-4=(3/2)^4=81/16
h]
(2 1/2)^-3=(5/2)^-3=(2/5)^3=8/125
i]
0,3^-2=3/10^-2=10/3^2=100/9
j]
-4^-2=-1/4^2=1/16
k]
(-2)^-6=-1/2^6=1/64
l]
-(0,6)^-3=-6/10^-3=-10/6^3=-1000/216
m]
-12/13^-2=-13/12^2=169/144
n]
1/10^-5=10^5=100000
g) (2/3)^-4 = (3/2)^4 = 81/16
Przy potędze minusowej odwracamy ułame tu z 2/3 na na 3/2
h) (2i1/2)^-3= (5/2)^-3 = (2/5)^3 = 8/125
i) (0,3)^-2 = (3/10)^-2 = 10/3^2 = 100/9
j) -4^-2 =- 1/4^2 = 1/16
k) (-2)^-6 = (-1/2)^6 = 1/64
l) (-0,6)^-3 = (-6/10)^-3= -10/6^3 = -1 000/216 ( tu ze znakiem minus bo potęga nieparzysta)
m) (-12/13)^-2 = (-13/12)^2 = 169/144
n) (1/10)^-5 = 10/1^5 = 100 000/1 = 100 000
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g]
(2/3)^-4=(3/2)^4=81/16
h]
(2 1/2)^-3=(5/2)^-3=(2/5)^3=8/125
i]
0,3^-2=3/10^-2=10/3^2=100/9
j]
-4^-2=-1/4^2=1/16
k]
(-2)^-6=-1/2^6=1/64
l]
-(0,6)^-3=-6/10^-3=-10/6^3=-1000/216
m]
-12/13^-2=-13/12^2=169/144
n]
1/10^-5=10^5=100000
g) (2/3)^-4 = (3/2)^4 = 81/16
Przy potędze minusowej odwracamy ułame tu z 2/3 na na 3/2
h) (2i1/2)^-3= (5/2)^-3 = (2/5)^3 = 8/125
i) (0,3)^-2 = (3/10)^-2 = 10/3^2 = 100/9
j) -4^-2 =- 1/4^2 = 1/16
k) (-2)^-6 = (-1/2)^6 = 1/64
l) (-0,6)^-3 = (-6/10)^-3= -10/6^3 = -1 000/216 ( tu ze znakiem minus bo potęga nieparzysta)
m) (-12/13)^-2 = (-13/12)^2 = 169/144
n) (1/10)^-5 = 10/1^5 = 100 000/1 = 100 000