e. m^3/7•m^1/3 selanjutnya i dan j gimana cara ketiga soal ini??

e) m^3/7 • m^⅓

= m^(3/7 + 1/3)

= m^(9/21 + 7/21)

= m^16/21


i) b^2/9 • b^1/3

= b^(2/9 + 1/3)

= b^(2/9 + 3/9)

= b^5/9


j) x^-5/3
--------------
x^-¾

= x¾
---------
x^5/3

= x^(3/4 - 5/3)

= x^(9/12 - 20/12)

= x^-11/12

= 1
--------
x^11/12