If a sample has 1/8 of the radioactive nuclei left, HOW MANY HALF-LIVES WOULD THE SAMPLE HAVE GONE THROUGH?

The graph has the start of it with 200.
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The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation , where i is the intensity of a given sound and is the threshold of hearing intensity. what is the intensity, in decibels, [i(db)], when ? use a calculator. round to the nearest whole number. 8 9 19 80

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied. true or false

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.