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Exponents

Exponents

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Mathematics

8th Grade

Hard

Created by

Kashish Gala

Used 3+ times

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6 Slides • 0 Questions

1

Exponents

Law of Exponents 

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2

1.

 aman=amn\frac{a^m}{a^n}=a^{m-n}  

 E.g=  2528=(25 ÷28) E.g=\ \ \frac{2^5}{2^8}=\left(2^5\ \div2^8\right)\  

   = 258  = 232^{5-8}\ \ =\ 2^{-3}  
               

3

2.

 (am)n  =amn\left(a^m\right)^{n\ \ }=a^{mn}  

 E.g  = (43)5 =43×5  = 415E.g\ \ =\ \left(4^3\right)^5\ =4^{3\times5}\ \ =\ 4^{15}  

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3.

 am × bm = (ab)ma^{m\ }\times\ b^{m\ }=\ \left(ab\right)^m  

E.g =  32  × 72 =(3×7)2 =2123^{2\ }\ \times\ 7^2\ =\left(3\times7\right)^2\ =21^2  

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4.

 ambm  = (ab)m\frac{a^m}{b^{m\ }}\ =\ \left(\frac{a}{b}\right)^m  

E.g =  9333  =(93)3  = (3)3 =9\frac{9^3}{3^{3\ }}\ =\left(\frac{9}{3}\right)^{3\ }\ =\ \left(3\right)^{3\ }=9  

6

5.

 a0 =1a^{0\ }=1  


Exponents

Law of Exponents 

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