
Bilangan Berpangkat
Presentation
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Umi Khalsum
FREE Resource
3 Slides • 2 Questions
1
BILANGAN BERPANGKAT BULAT
Oleh : UMI KHALSUM
smp negeri 3 losari brebes
KELAS IX
Ukrit74
2
Poll
Assalamu'alaikum anak-anak.... Bagaimana kabar kalian hari ini?
Sehat
Biasa aja
Kurang semangat
Sehat dan semangat
3
Apa itu perpangkatan?
Perpangkatan adalah perkalian berulang dari suatu bilangan.
Bentuk umum : an = a x a x a x a x .... x n dengan n = 1, 2, 3, 4, ...
Contoh :
35 = 3 x 3 x 3 x 3 x 3 x 3
= 243
dimana 35, 3 disebut bilangan pokok, dan
5 disebut pangkat (eksponen)
Ukrit74
4
(-3) x (-3) x (-3) = (-3)3
= -27
-(2/3 x 2/3 x 2/3 x 2/3) = -(16/81)
p x p x p x p x p = p5
Perkalian berulang Pangkat
(-2)3 = (-2) x (-2) x (-2)
= -8
-1/24 = - [(1/2) x (1/2) x (1/2) x (1/2)]
= - 1/16
Pangkat perkalian berulang
c o n t o h
Ukrit74
5
Multiple Choice
Bentuk bilangan berpangkat dari
- (53 x 53 x 53) adalah
- (53)3
(−53)3
(53)3
BILANGAN BERPANGKAT BULAT
Oleh : UMI KHALSUM
smp negeri 3 losari brebes
KELAS IX
Ukrit74
Show answer
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