Question

express each of the following in exponential notation:
i) (5/21)^3×(5/21)^8
ii) (-7/3)^11×(-7/3)^13​

Answer 1

1) (5/21)^3×(5/21)^8=(5/21)^11

2)(-7/3)^11×(-7/3)^13 = (-7/3)^24

Answer 2

Answer:

1= (5/21)^11

2=(-7/3)^24