Mate clasa a V-a. Intelegera puterilor

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Question 1 of 10

1. Question
1 points
Daca avem un calcul de tipul ${(3^{4})}^{5}$ , modul de calcul va fi:
- $3^{4} = 81$ , dupa care $81^{5}$
- $3^{4 x 5}$
- $(3^{4}) \times 5$
- Intai efectuam $4^{5}$ , apoi rezultatul la puterea a 5-a
Correct

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Question 2 of 10

2. Question
1 points
S
- $2^{7}$
- $2^{11}$
- $2^{1024}$
- $2^{5}$
Correct

Incorrect
Question 3 of 10

3. Question
1 points
$5^{4}$ este egal cu...
- 620
- 125
- 625
- 20
Correct

Incorrect
Question 4 of 10

4. Question
1 points
Este $2^{3}$ egal cu $3^{2}$ ?
- N
- Nu, al 2-lea calcul este mai mare
- Nu, primul calcul este cu mult mai mare
- Da. una din proprietatile calculelor de putere este comutativitatea
Correct

Incorrect
Question 5 of 10

5. Question
1 points
Cu cat este egal $5^{3} + 2^{5}$ ?
- 125+32=163
- 200+76=276
- 15+10=25
- 125+32=157
Correct

Incorrect
Question 6 of 10

6. Question
1 points
$123^{123}$ poate fii calculat usor?
- Da. 123+123+123+...+123
- Da. efectuam pur si simplu 123*123
- D
- Nu. e clar ca nu pute face 123+123.
Correct

Incorrect
Question 7 of 10

7. Question
1 points
Rezolvarea completa a calcului $2^{3^{2}}$ este...
- Intai efectuam $3^{2}$ (care este egal cu 9), apoi $2^{9}$ care este 512
- 16
- Intai $2^{3}$ (ce reprezinta 8), apoi $8^{2}$ care este 64
- 512
Correct

Incorrect
Question 8 of 10

8. Question
1 points
Exista un calcul de tipul ${({(2^{2})}^{4})}^{5}$ ?
- N
- Nu. este inventat de mine 🙂
- Da, dar e imposibil de rezolvat
- Da. poate fi usor rezolvat.
Correct

Incorrect
Question 9 of 10

9. Question
1 points
Care este mai mare? $5^{7}$ sau $5^{70}$ ?
- Prima
- N
- Sunt egale, 0 nu se pune in calculul de ridicare la putere
- A 2-a
Correct

Incorrect
Question 10 of 10

10. Question
1 points
In calculul $18^{57}$ , exponentul este:
- Niciunul
- Exponentul nu exista in calculul de ridicare la putere
- 18
- 6
Correct

Incorrect

Examples of questions from "Mate clasa a V-a. Intelegera puterilor"

In calculul $18^{57}$ , exponentul este:
Rezolvarea completa a calcului $2^{3^{2}}$ este...
Cu cat este egal $5^{3} + 2^{5}$ ?

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