What is the simplified form of r^-7+s^-12?

a.)
r^7s^12

b.) -r^7-s^12

c.) r^7/s^12

d.) 1/r^7+1/s^12

note: ^ means integer.

Option D.

Step-by-step explanation:

The given expression is  

We need to find the simplified form of the given expression.

According to the property of exponents,

Using this property, the given expression can be rewritten as

Hence, the correct option is D.

ab: 2 n83b8eb7ebi. 8e yen in

step-by-step explanation:

this is not possible to solve with the info given.   you need at least an one angle somewhere.