The answer is (3) 3. The calculation rule of significant figures is when multiplication and division, the significant figures of result is equal to the least of the numbers involved. The significant figure of 2.70 and 80.01 is 3 and 4.
Answer:
A
Explanation:
I think that is the ans but am not sure
Cu =63.5
2 times N =28.02
6 times O =96
96=63.5=28.02=127.07
122/127.07=.96 molecules
Answer:
Each orbit has a specific energy level.
Would you mind marking it the brainliest:).
D the substance is a homogeneous mixture
