The state of matter is closely packed particles, held together by attractive forces, have fixed volumes and fixed shapes. So, I think move less freely!!
She made the first error in Step 2, so the answer is B. -1 times -3 is 3, not -3.
The answer you want is going to be A)
, because all you have to do is add the exponents which -4+-10 would be -14 so therefore the answer you want is going to be A)
