It takes 6400 years for one gram of radium to decay away to only 1/16 (one-sixteenth) of a gram. the half-life of radium is

Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i.e., a subspace of r 3 ). explain your reasoning

How will the system respond to a temperature increase?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.