Radioactive materials can be described using half-lives. For every half-life that passes , the amount of radioactive material decreases by 50% . If you begin with 40 grams of material , which function can you use to find y, the amount of the substance that remains after t half- lives ?

2 is the final ! : )

486in is correct

step-by-step explanation:

the option best identifies the textual evidence that supports this conclusion is c.) when an argument is over, how many weighty reasons does a man recollect which his heat and violence made him utterly forget? in order to recognize textual evidence is to identify the topic sentence where the author states the main idea. textual evidence is what supports the topic sentence or main idea of a passage.