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Potencias base racional

Authored by Carolina Novoa

Mathematics

2nd Grade

Used 10+ times

Potencias base racional
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 0,277 escrita como potencia de exponente entero es : 0,2\overline{7}^{-7}\ escrita\ como\ potencia\ de\ \exp onente\ entero\ es\ :\   

 (9025)7\left(\frac{90}{25}\right)^7  

 (2590)7\left(\frac{25}{90}\right)^7  

 (9025)7\left(\frac{90}{25}\right)^{-7}  

 (2590)7\left(\frac{25}{90}\right)^{-7}  

n.a

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (0,1)5 escrita como potencia de exponente entero es\left(-0,1\right)^{-5}\ escrita\ como\ potencia\ de\ \exp onente\ entero\ es  

 (110)5\left(\frac{1}{10}\right)^5  

 10510^5  

 105-10^5  

 (10)5\left(10\right)^{-5}  

n.a

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (7711)0\left(-\frac{77}{11}\right)^0  

1

-1

0

0,1

-0,1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (29)1\left(\frac{2}{9}\right)^1  

 29\frac{2}{9}  

 92\frac{9}{2}  

9

2

n.a

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

3

-3

1

-1

n.a

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (0,9)0-\left(0,9\right)^0  

1

-1

0

-0,9

0,9

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (12)5\left(-\frac{1}{2}\right)^5  

 12-\frac{1}{2}  

 12\frac{1}{2}  

 132-\frac{1}{32}  

 132\frac{1}{32}  

32

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