
Quiz Bilangan Berpangkat
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Christiani Serepina
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10 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Berilah tanda centang (v) untuk pernyataan-pernyataan yang merupakan hasil perpangkatan dalam bentuk perkalian berulang. (Jawaban lebih dari 1)
(-4)6 = -4 x -4 x -4 x -4 x -4 x -4
(4)-6 = -4 x -4 x 4 -4 x -4 x -4 x -4
-(4)6 = -(4 x 4 x 4 x 4 x 4 x 4)
(42)3 = 43 x 43
(42)3 = 42 x 43
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Tentukan apakah kamu setuju dengan pernyataan berikut ini.
(-4) x (-4) x (-4) x (-4) x (-4) = (-4)5
(3a2)-4 = 81a8
x2y3z / (yz)4 = x2 / y3z
20 + 30 + (-5)0 + (-4)0 = 4
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Grace, Alvin, Brandon dan Yenny sedang belajar bersama mengerjakan soal matematika dalam bentuk bilangan berpangkat. Adapun soal yang harus mereka selesaikan adalah mencari nilai x dari beberapa persamaan berikut :
(i) 3x = 243
(ii) x5 = 3.125
(iii) 7x = 2.401
(iv) x8 = 256
Beri tanda centang pada pernyataan yang benar!
Menurut pendapat Brandon, nilai x pada persamaan (i) adalah 5.
Menurut pendapat Grace, nilai x pada persamaan (ii) adalah 15
Menurut pendapat Alvin, nilai x pada persamaan (iii) adalah 4
Menurut pendapat Yenny nilai x pada persamaan (iv) adalah 2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bentuk sederhana dari (-3) x (-3) x (-3) (-3) adalah ....
(-3)^-4
-3^-4
(-3)^4
-3^6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hasil dari 1/9 × (3^2)^3 adalah ....
3
3^2
3^3
3^4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika a = 32 dan b = 243. Maka 2a x 3b jika dituliskan dalam bentuk pangkat yang paling sederhana adalah ....
2^6 × 3
2^6 × 3^5
2^5 × 3^6
2 × 3^5
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Lengkapilah titik-titik berikut sehingga menjadi pernyataan yang benar. a. 3^4 ◊ 3^3 = ( . . . ◊ . . . ◊ . . . ◊ . . . ) ◊ ( . . . ◊ . . . ◊ . . . )
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