<h2>
Answer with explanation:</h2>
We know that in international number system,
The value of 1 million = 1,000,000
Then, the value of 91.4 million in standard form will be :-
Thus, the standard form of 91.4 million =
To convert in scientific notation, we just left one leading digit before the decimal and count the remaining number of digits till end and write it as the power of 10.
i.e.
So , scientific notation form of 91.4 million =