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BILANGAN BERPANGKAT POSITIF & NEGATIF

Authored by Fitri Solihah

Mathematics

8th Grade

CCSS covered

Used 124+ times

BILANGAN BERPANGKAT POSITIF & NEGATIF
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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Pernyataan yang tidak benar adalah ...Pernyataan\ yang\ tidak\ benar\ adalah\ ... 

 25=2×2×2×2×22^5=2\times2\times2\times2\times2  

 (−3)4=(−3)×(−3)×(−3)×(−3)\left(-3\right)^4=\left(-3\right)\times\left(-3\right)\times\left(-3\right)\times\left(-3\right)  

 −(2)4=(−2)×(−2)×(−2)×(−2)-\left(2\right)^4=\left(-2\right)\times\left(-2\right)\times\left(-2\right)\times\left(-2\right)  

 −(15)4=−(15)×(15)×(15)×(15)-\left(\frac{1}{5}\right)^4=-\left(\frac{1}{5}\right)\times\left(\frac{1}{5}\right)\times\left(\frac{1}{5}\right)\times\left(\frac{1}{5}\right)  

2.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Pernyataan yang benar adalah .... (jawaban bisa lebih dari satu)

 (−2)3=−8\left(-2\right)^3=-8  

 (−3)4=81\left(-3\right)^4=81  

 −(5)4=625-\left(5\right)^4=625  

 (−12)3=−18\left(-\frac{1}{2}\right)^3=-\frac{1}{8}  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika   a−n=1an  , a≠0a^{-n}=\frac{1}{a^n}\ \ ,\ a\ne0  maka pernyataan yang benar adalah ...

 3−3=−273^{-3}=-27  

 3−3=−1273^{-3}=-\frac{1}{27}  

 3−3=1273^{-3}=\frac{1}{27}  

 3−3=1−273^{-3}=\frac{1}{-27}  

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Hasil dari 535^3  = ...

15

45

125

243

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 (−2)4\left(-2\right)^4  = ....

-16

-8

8

16

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 a2b5c−3a^2b^5c^{-3}  

Bentuk pangkat positifnya adalah ....

 a2b5c−3\frac{a^2b^5}{c^{-3}}  

 a2b5c3\frac{a^2b^5}{c^3}  

 a2b5c3\frac{a^2}{b^5c^3}  

 c3a2b5\frac{c^3}{a^2b^5}  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 2x2y−1z−52x^2y^{-1}z^{-5}  bentuk pangkat positifnya adalah ....

 2x2yz5\frac{2x^2y}{z^5}  

 x22 y z5\frac{x^2}{2\ y\ z^5}  

 x2z52 y\frac{x^2z^5}{2\ y}  

 2x2y z5\frac{2x^2}{y\ z^5}  

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