0. Review of Algebra

Multiply or divide as indicated. Write answers in lowest terms as needed. 8/(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(3/4)/(3/8)

Determine whether each statement in Exercises 43–50 is true or false. -π ≥ - π

In Exercises 31–50, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places.480,000,000,000 / 0.00012

Simplify each exponential expression in Exercises 23–64. (−5x^4 y)(−6x^7 y^11)

Determine whether each statement is true or false. {x | x is a natural number less than 3}= {1, 2}

Find each sum or difference. -2 - |-4|

Determine whether each statement in Exercises 43–50 is true or false. 0 ≥ -6

In Exercises 31–50, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places.0.00072x0.003 / 0.00024

Multiply or divide as indicated. Write answers in lowest terms as needed. 2(1/2)/1(5/7)

Find each sum or difference. 16 - | -13|

Find each product or quotient where possible. -8(-5)

In Exercises 51–60, rewrite each expression without absolute value bars. |300|