Odpowiedź:
a) 5⁻¹=1/5 -2⁻³= (-1/2)³=-1/8
(-3)⁻²=(-1/3)²=1/9 -4⁻⁴=(-1/4)⁴=1/256
b)(3/5)⁻³=(5/3)³=125/27 2⁻²/3= (1/2)²*1/3=1/12
2/7⁻¹=2: 1/7=2*7=14 (-1/6)⁻²= (-6)²=36
c)(0,1)⁻⁴= 10⁴=10 000 (0,3)⁻³= (10/3)³=1000/27
(-0,2)⁻²=(- 10/2)²=25 (-0,4)⁻¹= (- 10/4)¹=-2,5
d)(1 1/2)⁻²=( 2/3)²=4/9 (-2 1/3)⁻³=( -3/7)³=-27/343
(-3 1/4)⁻²= (- 4/13)²=16/169 (4 1/5)⁻¹= 5/21
Szczegółowe wyjaśnienie:
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Odpowiedź:
a) 5⁻¹=1/5 -2⁻³= (-1/2)³=-1/8
(-3)⁻²=(-1/3)²=1/9 -4⁻⁴=(-1/4)⁴=1/256
b)(3/5)⁻³=(5/3)³=125/27 2⁻²/3= (1/2)²*1/3=1/12
2/7⁻¹=2: 1/7=2*7=14 (-1/6)⁻²= (-6)²=36
c)(0,1)⁻⁴= 10⁴=10 000 (0,3)⁻³= (10/3)³=1000/27
(-0,2)⁻²=(- 10/2)²=25 (-0,4)⁻¹= (- 10/4)¹=-2,5
d)(1 1/2)⁻²=( 2/3)²=4/9 (-2 1/3)⁻³=( -3/7)³=-27/343
(-3 1/4)⁻²= (- 4/13)²=16/169 (4 1/5)⁻¹= 5/21
Szczegółowe wyjaśnienie: