Answer:
A
Step-by-step explanation:
p^-8q^-20 * p^8q^-10
=q^-30
=1/q^30
Answer:
answer is c hope this helps
Step-by-step explanation:
Answer: 1.5 or 1 1/2
Step-by-step explanation:
20 Answer: a₁ = 4
<u>Step-by-step explanation:</u>

21 Answer: n = 13
<u>Step-by-step explanation:</u>

22 Answer: n = 5
<u>Step-by-step explanation:</u>

The answer will be t=2.50g I think