What is it called when the number being added together in a addition problem?

How wide is a 50 foot circle? What fraction of 20000000 is 16000? What is 3820 in scientific notation? What means having no form? How many yards is 3.6 meters of ribbon? What number leaves a remainder of 8 when divided by 9 a remainder of 7 when divided by 8 a remainder of 6 when divided by 7 a remainder of 5 when divided by 6 a remainder of 5 when divided by 5? How do you say insane in Chinese? How do you write five and five tenths in a decimal? What is 15 over 2? How many significant figures are in the number 4.250 x 108? How do you subtract binary? How can you tell if two points lie along the same grid line just by looking at the ordered pairs? How many pounds does a child weigh if it weighs 22.4 kilograms? Prove that there do not exist real numbers x y and z such that x plus y plus z equals 0 and simultaneously 1 over x plus 1over y plus 1over z equals 0? What is the prime factorization of 217 in exponet form? What inference can be drawn from the location of the church in this drawing? 8 numbers beween 31 41 are composite numbers? What is the Square footage of 16 feet by 14 feet room? Do you put full stop at the end of the number in a sentence? Why is alpha radiation more dangerous than beta rediation when the source of the radiation is inside the body?