Fracciones y potencias. Notación científica

Fracciones y potencias. Notación científica

8th Grade

22 Qs

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Fracciones y potencias. Notación científica

Fracciones y potencias. Notación científica

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Ana Cristina Ruiz

Used 31+ times

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22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (23)2=\left(\frac{2}{3}\right)^2=  

 46\frac{4}{6}  

 11  

 49\frac{4}{9}  

 00  

 94\frac{9}{4}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (23)2=\left(\frac{2}{3}\right)^{-2}=  

 (32)2=3222=94-\left(\frac{3}{2}\right)^2=-\frac{3^2}{2^2}=\frac{-9}{4}  

 11  

 (23)2=49\left(-\frac{2}{3}\right)^2=\frac{4}{9}  

 00  

 (32)2=3222=94\left(\frac{3}{2}\right)^2=\frac{3^2}{2^2}=\frac{9}{4}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (23)3=\left(-\frac{2}{3}\right)^3=  

 2333=827-\frac{2^3}{3^3}=-\frac{8}{27}  

 11  

 2333=827\frac{2^3}{3^3}=\frac{8}{27}  

 00  

 2333=69-\frac{2^3}{3^3}=-\frac{6}{9}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (115)0=\left(\frac{11}{5}\right)^0=  

 115\frac{11}{5}  

 11  

 1-1  

 00  

 115-\frac{11}{5}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (75)1=\left(\frac{7}{5}\right)^1=  

 75\frac{7}{5}  

 11  

 57\frac{5}{7}  

 00  

 75-\frac{7}{5}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (75)1=\left(\frac{7}{5}\right)^{-1}=  

 75\frac{7}{5}  

 11  

 57\frac{5}{7}  

 00  

 75-\frac{7}{5}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 25=2^5=  

 132-\frac{1}{32}  

 132\frac{1}{32}  

 32-32  

 3232  

 1010  

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