What is 800,000,000 in scientific notation?
Scientific notation is a way of writing very big or very small numbers quickly, easily and accurately, without having to write lots of zeros.
If a zero is added on or left off by mistake, it changes the answer by a factor of 10!
We use the powers of 10, which are
These are written as
We multiply the powers of 10 by a number to show how many of a certain power of 10 we are using.
You will see that the number of zeros is the same as the index.
Sometimes there is more than one non-zero digit to consider:
There must only be ONE digit before the decimal point.
To change a number to scientific notation:
Count how many places the decimal point must move.
The point was moved 8 places to the left until it was just to the right of the