0. Review of Algebra

Write a decimal number that has 5 in the thousands place, 0 in the tenths place, and 4 in the ten-thousandths place.

Find each sum or difference. 9/10 - (-4/3)

Determine whether each statement is true or false. |25| = |-25|

Find each product or quotient where possible. 5(-7)

Evaluate each expression. |-10|

List all numbers from the given set that are a. natural numbers, b. whole numbers, c. integers, d. rational numbers, e. irrational numbers, f. real numbers. {-9, -4/5, 0, 0.25, √3, 9.2, √100}

Perform the indicated operation, and write each answer in lowest terms. 2x/5 ∙ 10/x²

Write each improper fraction as a mixed number. 16/9

Rewrite each expression without absolute value bars. ||-3|-|-7||

State the name of the property illustrated: 3+17 = 17+3

Add or subtract as indicated. Write answers in lowest terms as needed. $4\frac{3}{4}-1\frac{2}{5}$