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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

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kateri izraz ima največjo vrednost?

3⋅523\cdot5^2

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

52⋅535^2\cdot5^3

32⋅53^2\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  

 3−13^{-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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