Answer:
2 significant figures i.e. 2 and 7.
Explanation:
We need to find the number of significant figures in the given number i.e. .
It has 2 significant figures i.e. 2 and 7.
It means the power of 10 doesn't count in the significant figures.
Hence, there are 2 significant figures.
Player B
I just did it and I got it right :)
Answer: only O is unbalanced
There are only 2 oxygen atoms on the left but in the right there are 4
4
