Question

Which one is equivalent?

Answer 1

the last one is equivalent

Answer 2

the last one 3*4^2\ 9^3

Explanation:

one you subtract 2 from 4 it gives you two 4^4- 4^2=4^2

and when you subtract 9^8 -9^5=9^3

the 3 is left alone with nothing to subtract it