You have 400 mg of a radioisotope with a half-life of 5 minutes. How much will be left after 30 minutes? A 6.25mg

B 12.5 mg

C 100 mg

D 50 mg

Asap 70 points do you think the little albert experiment was ethical or unethical? why? do you think that inflicting pain or suffering in the name of science is acceptable if something is learned from the experiment? why or why not?

What is the power of 10 when 0.00503 is written is scientifically notation

Ahigh school teacher wants to study the seating habits of students in the cafeteria to determine if students sit in the same seats or change seats from day to day. she sits in the cafeteria for several days, and without interacting with the students, records where they sit each day. what is a potential benefit of this type of research? there is an independent variable. there is a dependent variable. the researcher can gain personal information about an individual. the participants act normally. the information can be gathered over a period of several years.