SOLUTION: 16r2 ÷4r2 5s2. 5s. ? My son is coming home with homework like this, he's a freshman in high school. I seemed to have lost my touch. Help

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Question 703890: 16r2 ÷4r2
5s2. 5s. ?
My son is coming home with homework like this, he's a freshman in high school. I seemed to have lost my touch. Help
Answer by KMST(5328) About Me  (Show Source):
You can put this solution on YOUR website!
16r%5E2 divided by 4r%5E2 is 4
There is no reason for a 5 or an s to appear in the answer,
except that maybe the person typing the possible answers got mixed up and typed answers that were meant for another question.