A grain of sand has a mass of approximately .00000003 grams. How would this number be expressed in scientific notation?
Scientific notation is a way of writing very large and very small numbers.
A number in scientific notation has the form
To convert to scientific notation, you move the decimal point until the new form is a number between 1 and 10 (
If you move the decimal to the right, the exponent is negative.
Step 1. Move the decimal place to the right to create a new number between 1 and 10.
Step 2. Count the number of times you moved the decimal.
You moved the decimal 8 places to the right.
That means the exponent
Step 3. Write the number in scientific notation.