5.4 x 10^3 scientific notation

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)

Suppose you are analyzing the relationship between time and distance given in a table,and there are 4 values for each quantity.you divide distance 2 minus distance 1 by time 2 minus time 1.you then divide distance 4 minus distance 3 by time 4 minus time 3 and get a different answer.what can you say about the relationship?