Final answer:
To round 8,031,426,100 to the product of a single digit and a power of 10, we can write it as 8.0314261 x 10^9.
Step-by-step explanation:
To round the number 8,031,426,100 to the product of a single digit and a power of 10, we need to move the decimal point six places to the left to get a single digit to the left of the decimal point.
This means we can write the number as 8.0314261 x 10^9.