Proszę o szybkie zrobienie zadań od 25 ,26i 27 zadania w załączniku z góry dziękuje !
zadanie 25
a)
0,5²*0,5⁴=0,5²⁺⁴=0,5⁶
b)
(-2)¹⁶:(-2)⁸=(-2)¹⁶⁻⁸=(-2)⁸
c)
(7⁵)²=7⁵*²=7¹⁰
d)
(1 1/3)⁵*3⁵=(4/3)⁵*3⁵=(4/3*3)⁵=4⁵
e)
12,4¹⁰:4¹⁰=(12,4:4)¹⁰=3,1¹⁰
f)
17¹⁴*17¹⁴=17¹⁴⁺¹⁴=17²⁸
zadanie 26
5³*5⁸
______=
5¹¹:5²
5³⁺⁸
_____ =
5¹¹⁻²
5¹¹
___ =5¹¹⁻⁹=5²=25
5⁹
(3/7)¹⁰*(14/3)¹⁰
_______________ =
(2³)³
(3/7*14/3)¹⁰
____________ =
2⁹
2¹⁰
___ =2¹⁰⁻⁹=2¹=2
0,25³:0,5³
_________ =
5³
(0,25:0,5)³
__________ =
0,5³
____ =(0,5:5)³=0,1³=0,001
(1/3)⁻¹*(1/3)⁻²=(1/3)⁻¹⁻²=(1/3)⁻³=3³=27
(2/5)⁻³:(-2/5)⁻²=(5/2)³:(-5/2)²=125/8: (125/8)=125/8*(-8/125)= -1
((0,2)⁻¹)⁻³=0,2⁻¹*⁻³=0,2³=0,008
zadanie 27
3*10¹¹*2*10⁶=6*10¹⁷
9*10¹³
______=9*10¹³ : 30*10⁵=0,3*10⁸=3*10⁷
30*10⁵
3*10⁹+8*10¹⁰=0,000000003+0,0000000008=0,0000000038=3,8*10⁹
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zadanie 25
a)
0,5²*0,5⁴=0,5²⁺⁴=0,5⁶
b)
(-2)¹⁶:(-2)⁸=(-2)¹⁶⁻⁸=(-2)⁸
c)
(7⁵)²=7⁵*²=7¹⁰
d)
(1 1/3)⁵*3⁵=(4/3)⁵*3⁵=(4/3*3)⁵=4⁵
e)
12,4¹⁰:4¹⁰=(12,4:4)¹⁰=3,1¹⁰
f)
17¹⁴*17¹⁴=17¹⁴⁺¹⁴=17²⁸
zadanie 26
a)
5³*5⁸
______=
5¹¹:5²
5³⁺⁸
_____ =
5¹¹⁻²
5¹¹
___ =5¹¹⁻⁹=5²=25
5⁹
b)
(3/7)¹⁰*(14/3)¹⁰
_______________ =
(2³)³
(3/7*14/3)¹⁰
____________ =
2⁹
2¹⁰
___ =2¹⁰⁻⁹=2¹=2
2⁹
c)
0,25³:0,5³
_________ =
5³
(0,25:0,5)³
__________ =
5³
0,5³
____ =(0,5:5)³=0,1³=0,001
5³
d)
(1/3)⁻¹*(1/3)⁻²=(1/3)⁻¹⁻²=(1/3)⁻³=3³=27
e)
(2/5)⁻³:(-2/5)⁻²=(5/2)³:(-5/2)²=125/8: (125/8)=125/8*(-8/125)= -1
f)
((0,2)⁻¹)⁻³=0,2⁻¹*⁻³=0,2³=0,008
zadanie 27
a)
3*10¹¹*2*10⁶=6*10¹⁷
b)
9*10¹³
______=9*10¹³ : 30*10⁵=0,3*10⁸=3*10⁷
30*10⁵
c)
3*10⁹+8*10¹⁰=0,000000003+0,0000000008=0,0000000038=3,8*10⁹