Answer: 4.55 x 108
To check, move the decimal point to the right by eight places, each 'blank' being a nought.
This gives: 455000000, commonly written as 455,000,000.
QED
Chat with our AI personalities
3 million 2 hundred fifty thousand nine hundred fifteen
5,000,550
5,150,000 or five million, one hundred fifty thousand.
450,300,000,000 or 450.3 billion
210,064,050