A typical person has an average heart rate of 75.0 beat in minutes calculate the given question how many beats does she have in 6.0 years how many beats in 6.00 years and finally how many beats in 6.000 years

Idid the calculation and i get 875,000,000 which can be written as 8.75 x 10^6?

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom