Question: the geologist determines there is 783 of the parent remaining...

The geologist determines there is 78.3% of the parent remaining in the sample that they examine. How old is the sequence of rocks? Hint: you can fnd the length of the half-life in the reading above. a. 187.5 million years b. 247.8 million years c. 390.7 million years d. 2.504 billion years e. 1.588 billion years f. 1.202 billion years