Answer: Scientific notation is used to express very large or very small numbers. ... Scientific notation numbers may be written in different forms. The number 6 x 109 could also be written as 6e +9. The + 9 indicates that the decimal point would be moved 9 places to the right to write the number in standard form
Explanation: i hope it is helpful
the speed of arrow is 83m/per second
that means
83metres = 1 second
●The arrow would cover the distance of 83 metres in 1 second
may this helps you
bye
Answer : The chemical symbol for the element that results from this process is, (Ar) for argon.
Explanation :
Electron capture : In this decay process, a parent nuclei absorbs an electron and gets converted into a neutron. Simply, a proton and an electron combines together to form a neutron. Mass number does not change in this process.

The equation for the given reaction is,

Thus, the chemical symbol for the element that results from this process is, argon (Ar).