The power of 10 is the ________________ of places we move the decimal point to get the first factor. For any number greater than ______, the power of 10 in scientific notation will be (positive or negative?).

First_______ Power of_____

Example: Let’s look at the mass of Earth in kilograms.
What power?____
Numbers can also be converted from scientific notation to standard notation.
Look at the number 6.51 × 108 . The power of 10 denotes the ________________ of places the ________________ ________________ has to move. The power of 10 in this number is positive, so we move the decimal point to the (left or right?) 8 places.
The number 6.51 × 108 written in standard notation is ______________________.