Question

How does scientists know that earth is 4.6 billion years old?

Answer 1

Explanation:

$\huge\sf\purple{Answer-:}$By dating the rocks in Earth's ever-changing crust, as well as the rocks in Earth's neighbors, such as the moon and visiting meteorites, scientists have calculated that Earth is 4.54 billion years old, with an error range of 50 million years.

Answer 2

Answer:

22. Difference of 0.2% of a number and10th of that number is equal to 50%of 196. Find the number. [ TET, 1088