Question

1. sederhanakan bentuk bentuk perkalian berikut!
a. 9² × 9⁵
b. (-5)⁴ × (-5)³
​

Answer 1

Sifat perkalian eksponen :

• [tex] \boxed{\tt {a}^{m} × {a}^{n} = {a}^{m+n}} [/tex]

Soal A.

→ 9² × 9⁵

→ [tex] \tt {9}^{2+5} [/tex]

→ 9⁷

Soal B.

→ (-5)⁴ × (-5)³

→ [tex] \tt {(-5)}^{4+3} [/tex]

→ (-5)⁷

[tex]\purple{\boxed{\blue{\boxed{\green{\star{\orange{\ \: \: \mathcal{JK} \: \: \: {\green{\star}}}}}}}}} [/tex]