if an x ray has a frequency of 10(18) and a gamma ray has a frequency of 10(21), how many times greater is the frequency of the gamma ray? P.S: THE NUMBERS IN PARENTHESIS ARE SUPPOSED TO BE TINY NUMBERS AT THE TOP RIGHT OF THE 10!!!!! I JUST DONT KNOW HOW TO DO THAT! PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!