Separate the barriers so they have a 2cm gap between them.
Gamma rays<span> are </span>produced<span> in the disintegration of radioactive atomic nuclei and in the decay of certain subatomic particles. When an unstable atomic nucleus decays into a more stable nucleus, the “daughter” nucleus is sometimes </span>produced<span> in an excited state.</span>
Answer:
1
Explanation:
How many digits are in front of the decimal in scientific notation?