Register

If half the K-40 of a rock has decayed into Ar-40, how old is the rock?

If half the K-40 of a rock has decayed into Ar-40, how old is the rock?
asked 190k views
0 votes
If half the K-40 of a rock has
decayed into Ar-40, how old is
the rock?

asked
User Enya
by
8.0k points

1 Answer

5 votes

Answer:

20

Step-by-step explanation:

40:2=20

answered
User JofryHS
by
7.8k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

Which of the objects is living or nonliving: Bacteria, virus, moss, you, a lemon seed, the air, bread, lettuce and rocks?
Why aren't all minerals gemstones?
What are three important types of forces
Link Copied!