Answer:
I believe the answer to this question is: 1 x 10^21 equal to 1000000000000000000000.
If you add the two numbers, 10 +8 is 18. The fractional parts are 1/4 and 2/4 which equals 3/4. So the total length is 18 and 3/4 feet.
Is there an image? Please let me know and I will get back as soon as possible