15

four stars of equal size emit the same amount of energy. the distance of these stars from earth is shown in the following table.

distance from earth star distance from earth (light years)

p 2.3

q 7.8

r 6.5

s 3.2

what is the order of apparent magnitude of the stars, starting from the least to the greatest? q, r, s, p

p, s, r, q

r, s, p, q

q, p, s, r

Listenbase your answer to the question on the information below.nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body.cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment.which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61