Roboguru

Sederhanakan perpangkatan berikut ini. a.   b.   c.   d.   e.

Pertanyaan

Sederhanakan perpangkatan berikut ini.

a.  4 to the power of 6 cross times 4 cubed

b.  open parentheses negative 7 close parentheses cubed cross times open parentheses negative 7 close parentheses squared

c.  4 open parentheses negative 2 comma 5 close parentheses to the power of 4 cross times open parentheses negative 2 comma 5 close parentheses cubed

d.  open parentheses 5 squared close parentheses cubed

e.  5 squared cross times open parentheses 2 over 5 close parentheses cubed cross times open parentheses 2 over 5 close parentheses to the power of 5

Pembahasan Soal:

Dengan menggunakan sifat pangkat berikut ini

table attributes columnalign right center left columnspacing 0px end attributes row cell a to the power of n cross times a to the power of m end cell equals cell a to the power of n plus m end exponent end cell row cell a to the power of n colon a to the power of m end cell equals cell a to the power of n minus m end exponent end cell row cell open parentheses a to the power of n close parentheses to the power of m end cell equals cell a to the power of n cross times m end exponent end cell end table

Maka dapat disederhanakan sebaga berikut

a. 4 to the power of 6 cross times 4 cubed equals 4 to the power of 6 plus 3 end exponent equals 4 to the power of 9

b.  open parentheses negative 7 close parentheses cubed cross times open parentheses negative 7 close parentheses squared equals open parentheses negative 7 close parentheses to the power of 3 plus 2 end exponent equals open parentheses negative 7 close parentheses to the power of 5

c. 4 open parentheses negative 2 comma 5 close parentheses to the power of 4 cross times open parentheses negative 2 comma 5 close parentheses cubed equals 4 open parentheses negative 2 comma 5 close parentheses to the power of 4 plus 3 end exponent equals 4 open parentheses negative 2 comma 5 close parentheses to the power of 7

d.  open parentheses 5 squared close parentheses cubed equals 5 to the power of 2 cross times 3 end exponent equals 5 to the power of 6

e.  table attributes columnalign right center left columnspacing 0px end attributes row cell 5 squared cross times open parentheses 2 over 5 close parentheses cubed cross times open parentheses 2 over 5 close parentheses to the power of 5 end cell equals cell 5 squared cross times 2 cubed over 5 cubed cross times 2 to the power of 5 over 5 to the power of 5 equals 2 to the power of 3 plus 5 end exponent over 5 to the power of negative 2 plus 3 plus 5 end exponent equals 2 to the power of 8 over 5 to the power of 6 end cell end table

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 05 Mei 2021

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