Potęgi - iloczyn, iloraz, potęga potęgi 06.05.2020

Potęgi - iloczyn, iloraz, potęga potęgi 06.05.2020

7th Grade

13 Qs

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Potęgi - iloczyn, iloraz, potęga potęgi 06.05.2020

Potęgi - iloczyn, iloraz, potęga potęgi 06.05.2020

Assessment

Quiz

Mathematics

7th Grade

Medium

Created by

Magdalena Jankowska

Used 1K+ times

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13 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Wskaż prawidłową odpowiedź:  75 78: 711 = 7^5\cdot\ 7^8:\ 7^{11}\ =\   

 7247^{24}  

 727^2  

 7147^{14}  

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Wskaż prawidłową odpowiedź:  (5)10 : (5)3 : (5)3 =\left(-5\right)^{10\ }:\ \left(-5\right)^3\ :\ \left(-5\right)^{3\ }=  

 (5)5 = 3125\left(-5\right)^{5\ }=\ 3125  

 (5)4 = 625\left(-5\right)^4\ =\ -625  

 (5)4 = 625\left(-5\right)^{4\ }=\ 625  

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 (112)6  (112)3 : (112)5 =\left(1\frac{1}{2}\right)^6\ \cdot\ \left(1\frac{1}{2}\right)^3\ :\ \left(1\frac{1}{2}\right)^{5\ }=  

 (112)4 = 1681\left(1\frac{1}{2}\right)^4\ =\ \frac{16}{81}  

 (112)4 = 1116\left(1\frac{1}{2}\right)^4\ =\ 1\frac{1}{16}  

 (112)4 = 5116\left(1\frac{1}{2}\right)^{4\ }=\ 5\frac{1}{16}  

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 (5,13  5,14) : (5,112 : 5,17) = \left(5,1^{3\ }\cdot\ 5,1^4\right)\ :\ \left(5,1^{12}\ :\ 5,1^7\right)\ =\   

 5,125,1^2  

 5,1125,1^{12}  

 5,1265,1^{26}  

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 (4)2  (4)10(4)6 (4)3 = \frac{\left(-4\right)^2\ \cdot\ \left(-4\right)^{10}}{\left(-4\right)^6\cdot\ \left(-4\right)^3}\ =\   

 (4)3 = 64\left(-4\right)^{3\ }=\ -64  

 (4)3 = 64\left(-4\right)^{3\ }=\ 64  

 (4)1 = 4\left(-4\right)^{1\ }=\ -4  

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 23  (215 : 211)213 : 210 =\frac{2^{3\ }\cdot\ \left(2^{15\ }:\ 2^{11}\right)}{2^{13\ }:\ 2^{10}}\ =  

 2162^{16}  

 262^6  

 242^4  

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 (x5  x4) : (x2  x5) = \left(x^5\ \cdot\ x^4\right)\ :\ \left(x^2\ \cdot\ x^5\right)\ =\   

 x4x^4  

 x2x^2  

 x6x^6  

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