Answer:
for no 7 its none for 8 its st
Step-by-step explanation:
I hope this helps
Answer:
1/4
Step-by-step explanation:
.
Answer:
RATED R FLIMS?
Step-by-step explanation:
thats so bad!?!?>>BNSDGh why would you watch P O R N>!?>!M!NKHEdb
Answer:
this means that there is an exponent missing EX{5^3
Step-by-step explanation:
Answer:
A. 2.8 billion years old
Step-by-step explanation:
1/16 = (1/2)^4, so 4 half-lives have elapsed.
4 · 0.700 billion years = 2.8 billion years
The rock is 2.8 billion years old.