บทที่ 5 สมบัติของเลขยกกำลัง

บทที่ 5 สมบัติของเลขยกกำลัง

8th Grade

20 Qs

quiz-placeholder

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บทที่ 5 สมบัติของเลขยกกำลัง

บทที่ 5 สมบัติของเลขยกกำลัง

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

ชไมพร แก้วนา

Used 15+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

ประโยคในข้อใดเป็นจริง

23=(2)32^3=\left(-2\right)^3

(2)3=123\left(-2\right)^3=\frac{1}{2^3}

23=322^3=3^2

123=23\frac{1}{2^{-3}}=2^3

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 45×524^5\times5^2  ได้เท่ากับจำนวนใด

 20220^2  

 20420^4  

 949^4  

 400400  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 0.540.5^4  เท่ากับจำนวนใด

 242^4  

 124\frac{1}{2^4}  

0.0625

2.0

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 9.74×9.739.7^4\times9.7^{-3}  เท่ากับข้อใด

1

9.7

 9.779.7^7  

 9.7129.7^{-12}  

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 32×25×3132\times2^{-5}\times3^{-1}  เท่ากับข้อใด

 13\frac{1}{3}  

 11  

 33  

 00  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 (8)9×(8)5×(8)4\left(-8\right)^{-9}\times\left(-8\right)^5\times\left(-8\right)^4  เท่ากับข้อใด

 (8)18\left(-8\right)^{18}  

 18\frac{1}{8}  

 11  

 00  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 34×23×34×233^{-4}\times2^{-3}\times3^4\times2^{-3}  เท่ากับข้อใด

 00  

 11  

 126\frac{1}{2^6}  

 292^9  

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