lodine 131 has a half-life of 8 days. If the amount of iodine 131 in the orginial sample is 8 g, how much iodine-131 will remain after 24 days?

Which statement best explains why an object weight less on mercury than it does on earth

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false