Answer
$ 2.4 \times 10^{10}$
Work Step by Step
$24,000,000,000$
Step 1: Move the decimal point until the number is between 1 and 10.
Step 2: The decimal point is moved 10 places and the original number is 10 or greater, so the count is positive 10.
Step 3:
The scientific notation is:
$24,000,000,000 = 2.4 \times 10^{10}$