This is 72, 400, 000 when expressed in scientific notation:
It is said that if a number is expressed in scientific notation, the number is multiplied by 10 to a certain power and the number is, 1 ≤ n < 10, which means that the number should be greater than or equal to one at the same time, lesser than 10.
Answer:
7.24 x [tex] 10^{7} [/tex]