6.43999001
1st you move the decimal 8 times to your right
once you are done moving the decimal you should end up with a whole number
you answer is (643, 999, 001)
12in.=1ft
so 240in./12in. = 20ft
10 is the estimate because you have 58, and you put it in 589 10 times.
Answer:
.25
Step-by-step explanation: