Question

Which expression is equivalent to -
9x5,16
45x5 ?

Answer 1

Answer: A

Explanation:

`(9x^5y^1^6)/(45x^5y^4)`

Divide as usual.

9/9=1

45/9=5

After this, subtract exponents.

`(1)/(5)x^5^-^5y^1^6^-^4`

`(1)/(5)y^1^2`

or

`(y^1^2)/(5)`