rossvikiki rossvikiki
  • 02-02-2017
  • Biology
contestada

how old is a rock that has 70% of it's original K-40

Respuesta :

Аноним Аноним
  • 02-02-2017
The correct answer is 0.2167 billion years old. Hope thsi helps.
Answer Link
liljunebug17
liljunebug17 liljunebug17
  • 06-02-2017
35% i know that for sure
Answer Link

Otras preguntas

write the sum of numbers as a product of their gcf and another sum 36+45
Find the perimeter of the triangle shown using the Associative proprety. 4 1/2 in 5 1/2in 6 in
Jackson signed the Indian Removal Act in May of 1830. What occurred as a result of this act?
Is the verb in the sentence below spelled correctly? Sophie pide comida mexicana.
A shoreline is eroding at a rate of 1/3 foot per 3 months . How many feet are eroding per year?
When the plot of a story includes the main character’s internal conflict, which of the following may be true? The theme concerns an emotionally uplifting topic.
y-8=-1/2(x+4) written in standard form
is cobalt chloride solution a conductor or an insulator
is 5.89 greater than,less than, or equal to 5.9
The investiture struggle in the Holy Roman Empire __________. a. led to the calling of the crusades b. weakened the power of its emperors c. unified the empire