EXPRESSÕES NUMÉRICAS COM POTÊNCIAS

EXPRESSÕES NUMÉRICAS COM POTÊNCIAS

5th - 6th Grade

13 Qs

quiz-placeholder

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EXPRESSÕES NUMÉRICAS COM POTÊNCIAS

EXPRESSÕES NUMÉRICAS COM POTÊNCIAS

Assessment

Quiz

Mathematics

5th - 6th Grade

Practice Problem

Hard

Created by

Manuela Sousa

Used 24+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  (13)2× (13)2 = ?\ \left(\frac{1}{3}\right)^2\times\ \left(\frac{1}{3}\right)^2\ =\ ?  


Assinala a opção correta.

   (13)2\ \ \left(\frac{1}{3}\right)^2  

  (13)4\ \left(\frac{1}{3}\right)^4  

  ( 19)4\ \left(\frac{\ 1}{9}\right)^4  

   (29)2\ \ \left(\frac{2}{9}\right)^2  

nenhuma das opções

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Qual a opção que representa o valor  desta expressão numérica.

(65)8\left(\frac{6}{5}\right)^8

(65)16\left(\frac{6}{5}\right)^{16}

38 ×(25)63^8\ \times\left(\frac{2}{5}\right)^6

(65)20\left(\frac{6}{5}\right)^{20}

nenhuma das opções

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 162÷22+32 16^2\div2^2+3^2\   

O valor numérico desta expressão é  igual a .....

(utiliza apenas algarismos)

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 5 × (32 23)5\ \times\ \left(3^2\ -2^3\right)  
O valor numérico da expressão é igual a .....

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Das afirmações que se seguem identifica as falsas.

32=63^2=6

1123 = 1231^{123}\ =\ 123

51=55^1=5

(52)4=56\left(5^2\right)^4=5^6

42 ÷4 =434^2\ \div4\ =4^3

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Quais dos números seguintes estão decompostos em fatores primos?

3×3×4×53\times3\times4\times5

2×3×3×72\times3\times3\times7

5×7×11×135\times7\times11\times13

1×2×3×51\times2\times3\times5

3×5×5×7×7×73\times5\times5\times7\times7\times7

7.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

 (53)6 ×(53)2=(53)...\left(\frac{5}{3}\right)^6\ \times\left(\frac{5}{3}\right)^2=\left(\frac{5}{3}\right)^{...}  



Completa a igualdade com o valor em falta.

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