Post a New Question

physical science

posted by on .

A certain radioactive substance has a half-life of 1 hour. If you start with 1 gram of the material at noon, how much will be left at 3:00 P.M.? At 6:00 P.M.? At 10:00 P.M.?

  • physical science - ,

    10

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question