Answer:
The explicit formula for this geometric sequence is 27.3(n-1)
It will have 15 protons because the atomic number will always equal the number of protons and vice versa
Answer:
15
Step-by-step explanation:
35-20= 15
Answer:
Step-by-step explanation:
I think it’s b correct me if I’m wrong
Answer: 10.50 is what she has left to spend
Step-by-step explanation: Hope it helps!