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Sederhanakan perpangkatan berikut ini. c. 4 ( − 2 , 5 ) 4 × ( − 2 , 5 ) 3

Sederhanakan perpangkatan berikut ini.

c.    

  1. ...space 

  2. ...undefined 

N. Puspita

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bentuk sederhana dari adalah

bentuk sederhana dari undefined adalah begin mathsize 14px style negative 5 to the power of 7 over 2 to the power of 5 end style 

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Ingat kembali aturan-aturan bilangan berpangkat berikut sehingga Jadi, bentuk sederhana dari adalah

Ingat kembali aturan-aturan bilangan berpangkat berikut

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell a to the power of m cross times a to the power of n end cell equals cell a to the power of m plus n end exponent end cell row cell a to the power of m over a to the power of n end cell equals cell a to the power of m minus n end exponent end cell row cell open parentheses a cross times b close parentheses to the power of m end cell equals cell a to the power of m cross times b to the power of m end cell row cell open parentheses a over b close parentheses to the power of m end cell equals cell a to the power of m over b to the power of m end cell row cell a to the power of negative m end exponent end cell equals cell 1 over a to the power of m end cell end table end style  

sehingga

  begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 4 left parenthesis negative 2 comma 5 right parenthesis to the power of 4 cross times left parenthesis negative 2 comma 5 right parenthesis cubed end cell equals cell 2 squared cross times open parentheses negative 5 over 2 close parentheses to the power of 4 cross times open parentheses negative 5 over 2 close parentheses cubed end cell row blank equals cell 2 squared cross times open parentheses negative 5 over 2 close parentheses to the power of 4 plus 3 end exponent end cell row blank equals cell 2 squared cross times open parentheses negative 5 over 2 close parentheses to the power of 7 end cell row blank equals cell 2 squared cross times open parentheses negative 1 cross times 5 over 2 close parentheses to the power of 7 end cell row blank equals cell 2 squared cross times open parentheses negative 1 close parentheses to the power of 7 cross times open parentheses 5 over 2 close parentheses to the power of 7 end cell row blank equals cell negative 1 cross times 2 squared cross times 5 to the power of 7 over 2 to the power of 7 end cell row blank equals cell negative 1 cross times 2 squared over 2 to the power of 7 cross times 5 to the power of 7 end cell row blank equals cell negative 1 cross times 2 to the power of 2 minus 7 end exponent cross times 5 to the power of 7 end cell row blank equals cell negative 1 cross times 2 to the power of negative 5 end exponent cross times 5 to the power of 7 end cell row blank equals cell negative 5 to the power of 7 over 2 to the power of 5 end cell end table end style  

Jadi, bentuk sederhana dari undefined adalah begin mathsize 14px style negative 5 to the power of 7 over 2 to the power of 5 end style 

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