Potęgi i pierwiastki

Potęgi i pierwiastki

7th - 8th Grade

20 Qs

quiz-placeholder

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Potęgi i pierwiastki

Potęgi i pierwiastki

Assessment

Quiz

Mathematics

7th - 8th Grade

Practice Problem

Medium

Created by

Dorota Pieńkos

Used 112+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Po obliczeniu wartości  (23)4\left(\frac{2}{3}\right)^4  otrzymamy:

 2 232\ \frac{2}{3}  

 1681\frac{16}{81}  

 5135\frac{1}{3}  

 281\frac{2}{81}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Liczba  2 14 ×23 (12)2 jest roˊwna:Liczba\ \ \sqrt{2\ \frac{1}{4}}\ \times2^3\ -\left(\frac{1}{2}\right)^2\ jest\ równa:  

 11 3411\ \frac{3}{4}  

 12 1412\ \frac{1}{4}  

 8 348\ \frac{3}{4}  

 11 1211\ \frac{1}{2}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 10005  to inaczej:1000^{5\ }\ to\ inaczej:  

 10310^3  

 10710^7  

 10810^8  

 101510^{15}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Średnia odległość Księżyca od Ziemi wynosi ok. 380 000 km. Wielkość ta zapisana w notacji wykładniczej ma postać:

38×104 km38\times10^4\ km

3,8×104 km3,8\times10^{4\ }km

3,8×105 km3,8\times10^{5\ }km

0,38×106 km0,38\times10^6\ km

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 7  >2,5\sqrt{7}\ \ >2,5  

Prawda

Fałsz

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 11 >3,3\sqrt{11}\ >3,3  

Prawda

Fałsz

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Pierwiastek trzeciego stopnia z 26 jest mniejszy od 3.

Prawda

Fałsz

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