Answer:
I did this exact same question on USATestPrep and here's what I answered that I got correct:
B, C and this one isn't an answer choice but the additional answer was: "1,000 grams of radioactive material with a half-life of 6 hours."
Hope this helps! I'm sorry if it doesn't help future people who sees this :/
It's -16 just use the app socratic
A function assigns the values. The half life of the substance is 6.25 days.
<h3>What is a Function?</h3>
A function assigns the value of each element of one set to the other specific element of another set.
Given the function for the substance as
, therefore, the half life of the substance can be written as,

Since we need to find the half life, therefore, the ratio of the initial mass and the mass after half-life will be 1/2.

Given the value of k is 0.1109, therefore,

Hence, the half life of the substance is 6.25 days.
Learn more about Function:
brainly.com/question/5245372
#SPJ1
Answer:
-12
Step-by-step explanation:
Farenheit is on the x-axis (horizontal) so you go to 10, then find the celsius which is on the y-axis (vertical) and the line is around -12. Hope this helps!
Answer:
128
Step-by-step explanation: