Seudónimo Seudónimo

25-05-2017
Chemistry

contestada

You started with 64 g of a radioactive substance. If you have 4.0 g of that substance left, then how many half-lives have elapsed?
a. 2
b. 3
c. 4
d. 5

Respuesta :

dakotastardy dakotastardy

25-05-2017

4 half lives have elapsed

Answer Link

Otras preguntas

surface of a cuboid

What is the value of the c?

Based on the details you highlighted, answer the questions Which character is the protagonist? Which character is the antagonist? (giving brainliest)

How do I solve this problem??

2. Which word means full of joy? *1 pointa. joylessb. joyfullyc. joyful

please help!! hhhhhh

What is 10/16-3/16=

What was an advantage for the British during the American Revolutionary War? A.They were easily able to get supplies to their soldiers. B.They had help from the

6 miles in 2 hours how fast you go

list five services that agriculture industries offers