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Powers & Roots Tutorial

Authored by kyaw Ohn

Mathematics

7th - 8th Grade

Used 7+ times

Powers & Roots Tutorial
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2×2×2×2×2=.....................\sqrt{2}\times\sqrt{2}\times\sqrt{2}\times\sqrt{2}\times2=.....................  

 25\sqrt{2}^5  

 26\sqrt{2}^6  

 27\sqrt{2}^7  

 28\sqrt{2}^8  

2.

FILL IN THE BLANK QUESTION

45 sec • 1 pt

 5(a3)0=......................5\left(a^3\right)^0=......................  

3.

FILL IN THE BLANK QUESTION

45 sec • 1 pt

 (3)8=...........................\left(\sqrt{3}\right)^8=...........................  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 (256)54\left(\sqrt{256}\right)^{\frac{5}{4}}  = ......................

64

256

32

512

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (a5a2)2\left(\frac{a^5}{a^{-2}}\right)^{-2}  

 1a14\frac{1}{a^{14}}  

 1a15\frac{1}{a^{15}}  

 1a6\frac{1}{a^6}  

 a13a^{-13}  

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 (2)3×(2)9= 2k,  k =...................\left(\sqrt{2}\right)^{-3}\times\left(\sqrt{2}\right)^9=\ 2^k,\ \ k\ =...................  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 {(2)7×(2)4}5=...................\left\{\left(\sqrt{2}\right)^7\times\left(\sqrt{2}\right)^{-4}\right\}^5=...................  

 315\sqrt{3}^{15}  

 215\sqrt{2}^{15}  

 255\sqrt{2}^{55}  

 223\sqrt{2}^{23}  

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