Answer:
20
Step-by-step explanation:
5 x 2 x 2 =20
Answer:
i'd say it's x=6
Step-by-step explanation:
........
Answer:
What
Step-by-step explanation:
Answer:
C.4.18g
The amount will remain after 12 days is 4.18 g
Step-by-step explanation:
we can use formula

where
h is half life time
t is time in days
Po is initial quantity
P(t) is the quantity after t days
we are given
Curium-243 has a half-life of 28.5 days

In a sample of 5.6 grams of curium-243
so,

now, we can plug values

now, we can plug t=12


So,
The amount will remain after 12 days is 4.18 g
Answer:
The answer is 4
Step-by-step explanation:
2² = 2 × 2
= 4
(Correct me if i am wrong)