SOLUTION: How do I write 645 in scientific notation?

Algebra ->  Decimal-numbers -> SOLUTION: How do I write 645 in scientific notation?      Log On


   

Question 289571: How do I write 645 in scientific notation?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
scientific notation is a number less than ten and greater than 0 times multiplied by appropriate powers of ten
we want to change 645 to 6.45
645/100=6.45
100=10^2
6.45*10^2