## Algebra: A Combined Approach (4th Edition)

$130,000,000= 1.3\times 10^8$
$130,000,000$ Step 1: Move the decimal point until the number is between 1 and 10. Step 2: The decimal point is moved 8 places and the original number is 10 or greater, so the count is positive 8. Step 3: The scientific notation is: $130,000,000= 1.3\times 10^8$