Potencias

Potencias

9th Grade

7 Qs

quiz-placeholder

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Potencias

Potencias

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Francisca Rojas

Used 6+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(3-5)-2
3-7
3-10
310
37

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (215×28)÷(211×29)\left(2^{15}\times2^8\right)\div\left(2^{11}\times2^9\right)  

19

1

8

28

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

La solución de la expresión  5253\frac{5^2}{5^{-3}}  es:

 515^{-1}  

 555^5  

 555^{-5}  

 55  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (25)2×(25)4\left(\frac{2}{5}\right)^{-2}\times\left(\frac{2}{5}\right)^4  Resuelve:

 425\frac{4}{25}  

 25\frac{2}{5}  

 225\frac{2}{25}  

 254\frac{25}{4}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (79)2:(79)6=\left(-\frac{7}{9}\right)^2:\left(-\frac{7}{9}\right)^6=  

 79-\frac{7}{9}  

 (79)4\left(-\frac{7}{9}\right)^4  

 (79)3\left(-\frac{7}{9}\right)^{-3}  

 (97)4\left(-\frac{9}{7}\right)^4  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (13)2×(95)2=\left(-\frac{1}{3}\right)^2\times\left(\frac{9}{5}\right)^2=  

 35-\frac{3}{5}  

 925-\frac{9}{25}  

 925\frac{9}{25}  

 95-\frac{9}{5}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (52)1:(610)1=\left(\frac{5}{2}\right)^{-1}:\left(\frac{6}{10}\right)^{-1}=  

 625\frac{6}{25}  

 256\frac{25}{6}  

 2030\frac{20}{30}  

 625-\frac{6}{25}