PUTERI 1
15 days ago
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9 QuestionsShow answers
  • Question 1
    60 seconds
    Q.

    Scrierea sub forma de putere a produsului
     8888888888\cdot8\cdot8\cdot8\cdot8\cdot8\cdot8\cdot8\cdot8  
    este:

    answer choices

     898^9  

     989^8  

     989\cdot8  

     898\cdot9  

  • Question 2
    60 seconds
    Q.

    Calculand puterea  444^4  obtinem:

    answer choices

    16

    8

    256

    128

    64

  • Question 3
    300 seconds
    Q.

    Ultima cifra a numarului  7957^{95}  este:

    answer choices

    7

    9

    3

    1

  • Question 4
    120 seconds
    Q.

    Patratul numarului 35 este:

    answer choices

    925

    1125

    1225

    1325

  • Question 5
    120 seconds
    Q.

    Scrierea numarului 243 ca o putere cu baza 3 este:

    answer choices

    333^3

    343^4

    353^5

    363^6

  • Question 6
    180 seconds
    Q.

    Scrierea rezultatului calculului
     (11311511)8:[(114)3]2\left(11^3\cdot11^5\cdot11\right)^8:\left[\left(11^4\right)^3\right]^2  
    sub forma de putere este:

    answer choices

     114611^{46}  

     114811^{48}  

     115011^{50}  

     115211^{52}  

  • Question 7
    300 seconds
    Q.

    Ordinea crescatoare a numerelor
     415 ; 89  ; 2284^{15}\ ;\ 8^9\ \ ;\ 2^{28}  
    este:

    answer choices

     228<89<4152^{28}<8^9<4^{15}  

     415<89<2284^{15}<8^9<2^{28}  

     89<228<4158^9<2^{28}<4^{15}  

     228<415<892^{28}<4^{15}<8^9  

  • Question 8
    300 seconds
    Q.

    Rezultatul calculului
     [(22+32+52):1920+25]:32\left[\left(2^2+3^2+5^2\right):19\cdot20+2^5\right]:3^2  
    este egal cu:

    answer choices

    8

    9

    10

    11

  • Question 9
    120 seconds
    Q.

    Rezultatul calculului
     112+120+012+1211^{12}+12^0+0^{12}+12^1  
    este:

    answer choices

    25

    26

    24

    14

    16

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