Suntem puternici prin … puteri

10 bonus points

0 successes

English

Exerciții care au la bază regulile de calcul cu puteri.

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Question 1 of 10

1. Question
1 points
$5^{31} \cdot 5^{19} =$
- Nu se poate efectua
- $5^{40}$
- $5^{50}$
- $5^{12}$
Correct

Incorrect
Question 2 of 10

2. Question
1 points
Calculând $2^{5}$ vom obține:
- 25
- 8
- 32
- 6
Correct

Incorrect
Question 3 of 10

3. Question
1 points
Scris sub formă de putere produsul $\underset{25 f a c t o r i}{\underset{⏟}{3 \cdot 3 \cdot 3 \cdot . . . \cdot 3}}$ este:
- $3^{4}$
- $3^{52}$
- $3^{25}$
- $25^{3}$
Correct

Incorrect
Question 4 of 10

4. Question
1 points
$16^{14}$ =
- 16
- $2^{56}$
- $14^{16}$
- 14
Correct

Incorrect
Question 5 of 10

5. Question
1 points
$11^{21} \cdot 11 \cdot 11^{6} : 11^{15} =$
- $11^{43}$
- $11^{12}$
- $11^{11}$
- $11^{13}$
Correct

Incorrect
Question 6 of 10

6. Question
1 points
$8^{26} \cdot {(2^{6})}^{11} =$
- $2^{102}$
- $2^{12}$
- $8^{144}$
- $2^{144}$
Correct

Incorrect
Question 7 of 10

7. Question
1 points
$10^{37}$ =
- 1000000
- $\underset{36 d e 0}{\underset{⏟}{100 . . . 0000}}$
- $\underset{37 d e 0}{\underset{⏟}{1000 . . . 000}}$
- 1000
Correct

Incorrect
Question 8 of 10

8. Question
1 points
$12345678987654321^{0}$ =
- 1
- 10
- 12345678987654321
- 0
Correct

Incorrect
Question 9 of 10

9. Question
1 points
${(2^{12})}^{15} : {(2^{15})}^{12} =$
- $2^{180}$
- 0
- 1
- $2^{27}$
Correct

Incorrect
Question 10 of 10

10. Question
1 points
$7^{138} : 7^{102} =$
- $7^{140}$
- $14^{36}$
- $7^{240}$
- $7^{36}$
Correct

Incorrect

Examples of questions from "Suntem puternici prin … puteri"

Calculând $2^{5}$ vom obține:
Scris sub formă de putere produsul $\underset{25 f a c t o r i}{\underset{⏟}{3 \cdot 3 \cdot 3 \cdot . . . \cdot 3}}$ este:
$11^{21} \cdot 11 \cdot 11^{6} : 11^{15} =$