Arithmetic Self Quiz

Item 1

a. Find the greatest common divisor of 54 and 180.

b. Find the least common multiple of 54 and 180.

Item 2

a. Round 123.77777 to the nearest hundredth.

b. Write the solution in scientific notation.

Item 3

Find and write the answer in lowest terms.

Item 4

Find and write the answer in lowest terms.

Item 5

What is 43% of 213?

Item 6

Let A = {1, 3, 5, 7, 9} and B = {1, 2, 3, 4, 5}

a. What is A ∩ B?

b. What is B U A?

c. Is ? Is ?

Item 7

A recipe needs 3 eggs to make 17 cookies. How many cookies can be made with a dozen eggs?

Item 8

a. List all the whole numbers that divide 48.

b. List three numbers that are divisible by 48.