Thorium-233 (t1/2 = 22 m) can be used in conjunction with Plutonium in fission reactions. How much of a 56 g sample of Thorium-233 will be left after 2 hours? Round 2 decimal places

Identify the error in the sentence. my cat was so enormously overweight that the vet suggested, much to my cat's dismay putting him on a diet. a. overweight c. dismay b. suggested, d. diet.

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

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