What is the place value of 8 in 281480100

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)

Extra points! find the missing dimension! need asap