Answer:
The rock is 3.75 billion years ago.
Explanation:
Given that:
Half life = 1.25 billion years
1 billion years = 10⁹ years
So,
Half life = 1.25 × 10⁹ years
Where, k is rate constant
So,
The rate constant, k = 5.5452 × 10⁻¹⁰ years⁻¹
Initial amount [A₀] = 80 micrograms
Final amount = 10 micrograms
Using integrated rate law for first order kinetics as:
So,
So,
<u>The rock is 3.75 billion years ago.</u>
That would be <span>Galileo Galilei the Italian polymath who is essential to the scientific revolution. His ideas conflicted with the church and as such he was on trial for heresy. During the second judgment he recanted his claims but is believed to have uttered the famous phrase on Earth revolving around the Sun: And yet it moves. This is used now to say that it doesn't matter what some may believe facts are the facts. </span>
Answer: i dont know the amswer
Explanation:
Answer:
nonegalitarain
Explanation: hope this helps