Question

How do you simplify `(3x^-4)/(15y)` and write it using only positive exponents?

Answer 1

#3/(15x ^4y)#

Explanation:

`x^0/x^4`=`x^-4`
When dividing we subtract the index numbers

But `x^0/x ^4=1/x^4`

So in the original expression we replace `x^-4` with `1/x^4`