Answer: b. helium nucleus
Helium nucleus is the particle that is being emitted in an alpha radiation. This helium nucleus then transforms and becomes decays that are also known as alpha decays. The alpha particle maybe similar to helium nucleus however, it does not have electrons surrounding it.
Answer:
Step-by-step explanation:
We want to simplify:
To simplify this, we need to write the negative index as positive.
So we use the property,
When we apply this property, we get:
Therefore the fourth option is correct.
Let you = y
Let your brother = b
y = 15
b = y + 3
Plug in 15 for y
b = 15 + 3
b = 18
Your brother picked up 18 shells.
Hope this helps
