Mocniny Quiz: 15 Practice Questions (Grade 8)

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Čemu se rovná $3^4\cdot5^4$ ?

$15^8$

$15^{16}$

$15^4$

$15\cdot8$

2.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Čemu se rovná $4^3\cdot5^3$ ?

(a)

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Vyberte všechna záporná čísla:

$-15^2$

$\left(-4\right)^4$

$-\left(-11\right)^9$

$\left(-3\right)^{15}$

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Čemu se rovná $42^6:\ 6^6$ ?

$7^6$

$7^1$

$7^{12}$

$7^3$

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Čemu se rovná $\frac{7^2\cdot7^6\cdot7^2}{7^8}$ ?

$2\cdot7^4$

$7^2$

$7^4$

$2\cdot7^2$

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Čemu se rovná $5^6\cdot5^2$ ?

$5^{12}$

$25^{12}$

$25^8$

$5^8$

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Čemu se rovná $2^3\cdot3^2$ ?
Vyberte všechny správné odpovědi.

$6^5$

$8\cdot9$

$6^6$

$\left(2\cdot3\right)^2\cdot2$

8.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Čemu se rovná $\frac{2^3\cdot3^2\cdot3^3}{2^2\cdot2\cdot3^5}$ ?

0

$2\cdot3$

$100^0$

$\frac{3}{2}$

9.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Čemu se rovná $3^{-3}$ ?

$-\frac{1}{27}$

$27$

$-27$

$\frac{1}{27}$

10.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Kterému desetinnému číslu se rovná $2^{-1}$ ?

(a)

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Mocniny

Čemu se rovná 34⋅543^4\cdot5^434⋅54 ?

Čemu se rovná 43⋅534^3\cdot5^343⋅53 ? (a)

Vyberte všechna záporná čísla:

Čemu se rovná 426: 6642^6:\ 6^6426: 66 ?

Čemu se rovná 72⋅76⋅7278\frac{7^2\cdot7^6\cdot7^2}{7^8}7872⋅76⋅72​ ?

Čemu se rovná 56⋅525^6\cdot5^256⋅52 ?

Čemu se rovná 23⋅322^3\cdot3^223⋅32 ? Vyberte všechny správné odpovědi.

Čemu se rovná 23⋅32⋅3322⋅2⋅35\frac{2^3\cdot3^2\cdot3^3}{2^2\cdot2\cdot3^5}22⋅2⋅3523⋅32⋅33​ ?

Čemu se rovná 3−33^{-3}3−3 ?

Kterému desetinnému číslu se rovná 2−12^{-1}2−1 ? (a)

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Discover more resources for Mathematics

Čemu se rovná $3^4\cdot5^4$ ?

Čemu se rovná $4^3\cdot5^3$ ?

(a)

Čemu se rovná $42^6:\ 6^6$ ?

Čemu se rovná $\frac{7^2\cdot7^6\cdot7^2}{7^8}$ ?

Čemu se rovná $5^6\cdot5^2$ ?

Čemu se rovná $2^3\cdot3^2$ ?
Vyberte všechny správné odpovědi.

Čemu se rovná $\frac{2^3\cdot3^2\cdot3^3}{2^2\cdot2\cdot3^5}$ ?

Čemu se rovná $3^{-3}$ ?

Kterému desetinnému číslu se rovná $2^{-1}$ ?

(a)