Potenciação e Notação Científica - 8° ano

Potenciação e Notação Científica - 8° ano

8th Grade

44 Qs

quiz-placeholder

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Potenciação e Notação Científica - 8° ano

Potenciação e Notação Científica - 8° ano

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Wanessa Ramalho

Used 18+ times

FREE Resource

44 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 26 × 213 =2^6\ \times\ 2^{13\ =}  

 2162^{16}  

 2192^{19}  

 4194^{19}  

 4164^{16}  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Todo número natural não-nulo elevado ao expoente zero é igual a...?

Um.

Zero.

Ele mesmo.

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (52  × 73)2  =\left(5^{2\ }\ \times\ 7^3\right)^{2\ }\ =  

 52  × 72 5^{2\ }\ \times\ 7^{2\ }  

 54  × 745^{4\ }\ \times\ 7^4  

 54  × 765^{4\ }\ \times\ 7^6  

 56  × 765^{6\ }\ \times\ 7^6  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Todo número natural elevado ao expoente 1 é igual a...?

Um.

Zero.

Ele mesmo.

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 [(0,5) × (3,5)]5 =\left[(0,5)\ \times\ \left(3,5\right)\right]^5\ = 

0,5 × 3,550,5\ \times\ 3,5^5

0,55 × 3,50,5^5\ \times\ 3,5^{ }

0,55 × 3,550,5^5\ \times\ 3,5^5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Toda potência da base 1 é igual a...?

Um.

Zero.

O mesmo valor do expoente.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(85)5 =\left(8^5\right)^5\ =

8108^{10}

8258^{25}

5105^{10}

5255^{25}

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