Practice problem
Select all that are correct.
c2⋅c−2=1c^2\cdot c^{-2}=1c2⋅c−2=1 if c≠0c\ne0c=0
x590⋅x−589=xx^{590}\cdot x^{-589}=xx590⋅x−589=x if x≠0x\ne0x=0
x1⋅x1=x+xx^1\cdot x^1=x+xx1⋅x1=x+x for all xxx
Type a concept, like “slope” or “photosynthesis”.
