正指數定律

正指數定律

7th Grade

13 Qs

quiz-placeholder

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正指數定律

正指數定律

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Medium

Created by

Cheng Angela

Used 7+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a4×a3=axa^4\times a^3=a^x  ,則 x=x=  

 77  

 11  

 1212  

 34\frac{3}{4}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a4÷a3=axa^4\div a^3=a^x  ,則 x=x=  

 77  

 11  

 1212  

 34\frac{3}{4}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a3÷a5=axa^3\div a^5=a^x  ,則 x=x=  

 88  

 2-2  

 1515  

 35\frac{3}{5}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a×a×a×a×a=a\times a\times a\times a\times a=  

 a5a^5  

 a4a^4  

 5a5a  

 5a55a^5  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2a×a×a×3a=2a\times a\times a\times3a=  

 6a46a^4  

 5a45a^4  

 7a7a  

 6a36a^3  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 am×an=a^m\times a^n=  

 am+na^{m+n}  

 amna^{m-n}  

 am×na^{m\times n}  

 amna^{\frac{m}{n}}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 m>nm>n  am÷an=a^m\div a^n= 

 amna^{m-n}  

 am+na^{m+n}  

 am×na^{m\times n}  

 anma^{n-m}  

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