
Bilangan Berpangkat
Presentation
•
Mathematics
•
11th - 12th Grade
•
Hard
suwaiba indarto
Used 3+ times
FREE Resource
5 Slides • 4 Questions
1
Bilangan Berpangkat
OLEH : SUWAIBA
2
Bilangan Berpangkat Positif
1) Perkalian bilangan berpangkat
an = a x a x a x a x .... x a (sebanyak n)
Contoh : 22 x 23 = 2 x 2 x 2 x 2 x2 = 25
ternyata 22 x 23 = 22+3
sehingga secara umum dapat dituliskan :
am x an = am+n
3
2) Pembagian bilangan berpangkat
Contoh : 3235 = 3 x 3 x 33 x 3 x 3 x 3 x 3
menjadi = 3 x 3
atau = 32
sehingga 3235 = 35−3 = 32
secara umum bisa dituliskan anam = am−n
4
3) Pangkat Nol
Contoh : 5252=52−2 =50
jadi 5252=1, sehingga 50 = 1
dan secara umum : a0 = 1
5
4) Pangkat negatif
Contoh : 81=2320=20−3 = 2−3
sehingga : 81=2−3
dan 81=231 sehingga, 2−3 = 231 dan secara umum..... a−n = an1
6
Multiple Choice
1. Bentuk sederhana dari (-2) x (-2) x (-2) x(-2) adalah...
24
-42
(-2)4
32
7
Multiple Choice
2. Hasil dari 52 x 53 adalah ....
55
54
52
5
8
Multiple Choice
Hasil dari 20 + 30 + 22 + 32 = ....
15
14
13
12
9
Multiple Choice
Ubahlah bentuk 3p2 menjadi pangkat negatif...
3p2
p23
p−23
3p−21
Bilangan Berpangkat
OLEH : SUWAIBA
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