Describe 58 as tens and ones? (someone asked this before, and the answer given was incorrect but it is archived so i couldn't answer it with the correct answer, so for those looking for the right answer, it isn't 50+8, it is 5 tens and 8 ones, just like 45 would be 4 tens and 5 ones, so on and so forth)

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered