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Potence (8. razred)

Authored by Monika Zupanc

Mathematics

8th Grade

Used 70+ times

Potence (8. razred)
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kateri izraz ima največjo vrednost?

3523\cdot5^2

(52)3\left(5^2\right)^3

52535^2\cdot5^3

3253^2\cdot5

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Katere enakosti so pravilne?

70=17^0=1

(2)3=8\left(-2\right)^3=-8

42=16-4^2=16

18=81^8=8

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Katere izjave držijo?

Za vsako naravno število velja
a2=(a)2a^2=\left(-a\right)^2

Potenca negativnega števila je pozitivna, če je stopnja sodo število.

-16 je kvadrat nekega racionalnega števila.

Kvadrat vsakega celega števila je celo število.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (32)3=\left(3^2\right)^3=  

 353^5  

 383^8  

 363^6  

 313^{-1}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (3)4=\left(-3\right)^4=  

 81-81  

 1212  

 64-64  

 8181  

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Označi pravilne enakosti!

(8)2=16\left(-8\right)^2=16

(1)75=1\left(-1\right)^{75}=-1

351=135^1=1

350=135^0=1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (113)2=\left(-1\frac{1}{3}\right)^2=  

 1191\frac{1}{9}  

 1791\frac{7}{9}  

 179-1\frac{7}{9}  

 1261\frac{2}{6}  

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