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Fracciones y potencias 2.0

Authored by carolina Ramírez

Mathematics

11th Grade

CCSS covered

Used 53+ times

Fracciones y potencias 2.0
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11 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Cuál de las siguientes igualdades es falsa?

0,25=140,25=\frac{1}{4}

0,3=130,\overline{3}=\frac{1}{3}

1,07=97901,0\overline{7}=\frac{97}{90}

232=72-2\frac{3}{2}=-\frac{7}{2}

Tags

CCSS.6.NS.C.6C

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 0,7+0,7=0,\overline{7}+0,7=  

 13390\frac{133}{90}  

0,147

 1490\frac{14}{90}  

 4990\frac{49}{90}  

Tags

CCSS.5.NBT.B.7

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 25×(156):97=\frac{2}{5}\times\left(-\frac{15}{6}\right):\frac{9}{7}=  

 97\frac{9}{7}  

 79-\frac{7}{9}  

 97-\frac{9}{7}  

 79\frac{7}{9}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 34=-3^{-4}=  

 481-\frac{4}{81}  

 112-\frac{1}{12}  

 181-\frac{1}{81}  

 112\frac{1}{12}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Cuál de las siguientes alternativas no cumple con las propiedades de las potencias?

a2÷a4= a2a^2\div a^4=\ a^{-2}

((a)3)3= a9\left(\left(a\right)^3\right)^{-3}=\ a^{-9}

a5×a2=a3a^5\times a^{-2}=a^3

a3=(1a)3a^{-3}=-\left(\frac{1}{a}\right)^3

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 22×43=2^2\times4^3=  

 282^8  

 858^5  

 868^6  

 484^8  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (((0,35)2)0)2\left(\left(\left(-0,35\right)^2\right)^0\right)^2  

0

-0,35

1

-1

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