Answer:
(B)
Step-by-step explanation:
79.623 rounded to the nearest whole would be 80
Answer:
15,008 grams
Step-by-step explanation:
You have 30,016 grams of radioactive kind of rubidium. How much will be left after 54 minutes if its half-life is 18 minutes? 15,008 grams.
I believe its D hope this helps
You would use PEMDAS, which means Parenthesis, exponents, multiplication, division, addition" and then subtraction. You would solve the problem in that order