I had an indices test and I got the results back today (I didn't too shabby).
There was one question though that concerned me.
It is this one:
It looks EXACTLY like this. No brackets or anything. Just
I wrote and my teacher marked it wrong. I have asked my friends and they are all divded
My teacher said it was 9 but I thought i was only 9 when it was
Who is right?!? :S