Which of the following statements about tolerance range is true?

Numbers with a end value of 4 or lower are rounded up, while with an end value of 5 or higher are rounded down. true or false?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as