A TV originally costs $749 but is on sale for 35% off. What is the sale price of the TV?
The sale price of the television is $486.85.
The half life of an isotope is 2 hours. After 8 hours what fraction of the initial isotope will be left?
After 8 hours 1/16 of the isotope will be left behind.
What does the nucleus of an atom consist of?
The nucleus of an atom is made up of protons and neutrons.