0. Review of Algebra

Determine whether each statement is true or false. -13 ≤ -2

Simplify each exponential expression in Exercises 23–64. $(-3x^2{y}^5{)}^2$

Determine whether each statement is true or false. 9 ∉ {8, 5, 2, 1}

Find each sum or difference. -12.31 - (2.13)

Multiply or divide as indicated. Write answers in lowest terms as needed. $\frac{2}{5}÷30$

Use the quotient rule to simplify the expressions in Exercises 45-46. √(121/4)

Determine whether each statement is true or false. {2, 5, 8, 9} = {2, 5, 9, 8}

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

Determine whether each statement is true or false. {3, 0, 9, 6, 2} = {2, 9, 0, 3, 6}

Multiply or divide as indicated. Write answers in lowest terms as needed. $8÷\frac{4}{9}$

Find each sum or difference. |-8 - 6|

Determine whether each statement is true or false. {5, 8, 9} = {5, 8, 9, 0}

Multiply or divide as indicated. Write answers in lowest terms as needed. $6\frac{3}{4}÷\frac{3}{8}$

Determine whether each statement is true or false. -π ≥ - π