Question

Please answer this math question!! 40 points!! Will only give brainliest if you show your work!

Answer 1

Answer:

60.7 mg

Step-by-step explanation:

We have

M=M° (0.40)^(h/2)

given

M°=240mg

h=3h

On substituting,

M=240×(0.4)^(3/2)=60.7mg

Mark it as brainliest

Answer 2

Answer:

60.7mg is the correct answer

mark my answer as brainlist please and like my answer