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Multiplicación de potencias

Authored by Javita Saez

Mathematics

8th Grade

Used 67+ times

Multiplicación de potencias
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál de las siguientes proposiciones es verdadera?

32+39 =3113^2+3^{9\ }=3^{11}

32 ×39 =3113^{2\ }\times3^{9\ }=3^{11}

32 ×39 =9113^{2\ }\times3^{9\ }=9^{11}

32×39=3183^2\times3^9=3^{18}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El valor de la potencia  747^4   es equivalente a :

 4×4×4×4×4×4×44\times4\times4\times4\times4\times4\times4  

 47 4^{7\ }  

 42×434^2\times4^3  

 72 ×727^{2\ }\times7^2  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Al resolver 32 ×30×363^{2\ }\times3^0\times3^6  se obtiene:

 363^6  

 373^7  

 38 3^{8\ }  

 3103^{10}  

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Para que se cumpla la siguiente igualdad 2x×23 =82^x\times2^{3\ }=8 El exponente "x" debe tener un valor de: 

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La siguiente resolución 23×33=692^3\times3^3=6^9  es


Correcta

Incorrecta

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Marca todas las igualdades correctas

90×92=929^0\times9^2=9^2

3×34×32=363\times3^4\times3^2=3^6

32×22×42=2463^2\times2^2\times4^2=24^6

63×53 ×13=303 6^3\times5^{3\ }\times1^3=30^{3\ }

13×20 ×43=431^3\times2^{0\ }\times4^3=4^3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La expresión 32 ×42 ×52 3^{2\ }\times4^{2\ }\times5^{2\ }  es equivalente a 

 6×8×106\times8\times10  

 3×4×5×23\times4\times5\times2  

 (3×4×5)2 \left(3\times4\times5\right)^{2\ }  

 (3+4+5)2 \left(3+4+5\right)^{2\ }  

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