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Operatii cu puteri - 18.11.2020

Authored by Alina Ciuca

Mathematics

4th Grade

Used 13+ times

Operatii cu puteri - 18.11.2020
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bifati raspunsul corect ! Scris sub forma unei singure puteri

 3539=3^5\cdot3^9=  

 3143^{14}  

 3453^{45}  

 343^4  

 3153^{15}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bifati raspunsul corect ! Scris sub forma unei singure puteri

 39:35=3^9:3^5=  

 3143^{14}  

 3453^{45}  

 343^4  

 3153^{15}  

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Bifati raspunsul corect ! Scris sub forma de putere

 (35)5=\left(3\cdot5\right)^5=  
obtinem:

 3145143^{14}\cdot5^{14}  

 15515^5  

 34543^4\cdot5^4  

 315533^{15}\cdot5^3  

 35553^5\cdot5^5  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bifati raspunsul corect ! Aplicand reguli de calculi cu puteri, obtinem:

 (3752)5=\left(3^7\cdot5^2\right)^5=  

 3145143^{14}\cdot5^{14}  

 3353103^{35}\cdot3^{10}  

 32533^2\cdot5^3  

 3453253^{45}\cdot3^{25}  

 35553^5\cdot5^5  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculand  323^2    obtinem:

6

9

3

0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 1131^{13}  este egal cu:

13

0

1

14

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 518:52=5^{18}:5^2=  

125

 595^9  

 5165^{16}  

625

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