I don't get dividing

Consider the following numbers: 7000, 700, 70, 0.7, 0.07, 0.007

How much smaller is 32.923 than 32.9705?

How fast in miles per an hour is a bus going if it travels 36 miles in 45 minutes?

Simplify (9/100) ^3/2 in rational form.

Mrs Naidu bought $155 in groceries. she paid her bill with $5 and $20 notes using a total of 13 notes. calculate how many of each type of each type of note were used.

There were a total of 107 students and chaperones on a field trip to the museum. If the number of students was thirteen less than seven times the number of chaperones fund the number of students.

Urn A contains 1 red ball and 4 blue balls. urn B has 2 red balls and 3 blue balls. in each round you choose at random one ball from urn A and one from urn B. the process is then repeated until the first time you draw two balls of the same color.

True or false, to convert square meters to square yards, multiply 3 by 9.29 x 10^-2

A report sponsored by the California Citrus Commission concluded that cholesterol levels can be lowered by drinking at least one glass of a citrus product each day. This report is biased. The report may be biased because:

A pyramid has a square base with 8 sides and a slant height of 5