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เลขยกกำลัง ม.5 (2)

Authored by ศิริกูล แปลหาดี

Mathematics

9th - 12th Grade

Used 36+ times

เลขยกกำลัง ม.5 (2)
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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8−3×410=?8^{-3}\times4^{10}=?

2112^{11}

292^9

272^7

252^5

Answer explanation

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โอเค นะคะ

2.

MULTIPLE SELECT QUESTION

10 sec • 1 pt

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(−3)9(−3)7(−3)10  =  ?\frac{\left(-3\right)^9\left(-3\right)^7}{\left(-3\right)^{10}}\ \ =\ \ ?  

  −36-3^6

363^6   

(−13)6\left(-\frac{1}{3}\right)^6

(13)6\left(\frac{1}{3}\right)^6

Answer explanation

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โอเค นะคะ

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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(815)5×106=?\left(\frac{8}{15}\right)^5\times10^6=?

212×3753\frac{2^{12}\times3^7}{5^3}  

  212×3655\frac{2^{12}\times3^6}{5^5}

218×5233\frac{2^{18}\times5^2}{3^3}  

221×535\frac{2^{21}\times5}{3^5}  

Answer explanation

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โอเค นะคะ

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

36×10−79×10−9=?\frac{36\times10^{-7}}{9\times10^{-9}}=?

22×522^2\times5^2

32×543^2\times5^4

24×522^4\times5^2

33×543^3\times5^4

Answer explanation

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โอเค นะคะ

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

277×81−435×9−2=?\frac{27^7\times81^{-4}}{3^5\times9^{-2}}=?

1

3

323^2

333^3

Answer explanation

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โอเค นะคะ

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

23×20×2−4=?2^3\times2^0\times2^{-4}=?  
 

  222^2   

272^7   

  12\frac{1}{2}   

122\frac{1}{2^2}  

Answer explanation

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โอเค นะคะ

7.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

5−2=?5^{-2}=?  

152\frac{1}{5^2}

 25  

125\frac{1}{2^5}

525^2

Answer explanation

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โอเค นะคะ

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