Simple..
there is a major difference between 6z and

6z means: 6 times z
and

means: z to the power of 6(z*z*z*z*z*z)
An example...
make z=2...plug n chug..
6z----> 6(2)=12
and

--->

=64
As you can see..there is a
major difference.
Thus, your answer.
Answer: Light caused the eludes plants to photosynthesize, releasing O2 gas
The answer is 27 I believe
I’m sorry! I hope you do better next time.