Powers and roots

Powers and roots

7th - 8th Grade

11 Qs

quiz-placeholder

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Powers and roots

Powers and roots

Assessment

Quiz

Mathematics

7th - 8th Grade

Medium

Created by

. Mohyee

Used 34+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

 A square has an Area of 81 cm2.A\ square\ has\ an\ Area\ of\ 81\ cm^2.   Find the side length of the square.Find\ the\ side\ length\ of\ the\ square. 

9 cm

3 cm

81 cm

None of the above

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 42 × 46 =?4^{2\ }\times\ 4^{6\ }=?  

 4124^{12}  

 424^2  

 484^8  

 282^8  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (x2)3=?\left(x^2\right)^3=?  

 xx^{ }  

 x5x^5  

 x6x^6  

 x8x^8  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 3x5y3×8x4y6 = ??3x^5y^3\times8x^4y^6\ =\ ??  

 24 x15y2424\ x^{15}y^{24}  

 24 x20y1824\ x^{20}y^{18}  

 18 x9y918\ x^9y^9  

 24 x9y924\ x^9y^9  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 555=??\frac{5^5}{5}=??  

 545^4  

 555^5  

 5105^{10}  

 565^6  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 12x126x2=??\frac{12x^{12}}{6x^2}=??  

 2x62x^6  

 2x102x^{10}  

 2x142x^{14}  

 18x1018x^{10}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 The reciprocal of 12 isThe\ reciprocal\ of\ 12\ is  

 112 \frac{1}{12}\   

 66  

 1212  

 None of the aboveNone\ of\ the\ above  

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