Determine whether each statement is true or false. 3 ∈ {2, 5, 6, 8}

In Exercises 33–38, find the union of the sets.{ a, e, i, o, u } ⋃ ∅

Insert ∈ or ∉ in each blank to make the resulting statement true. ∅ ____ ∅

Multiply or divide as indicated. Write answers in lowest terms as needed. (6/11)/(5/4)

Find each sum or difference. -6 - 5

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.8.4X10⁸ / 4x10⁵

Multiply or divide as indicated. Write answers in lowest terms as needed. (7/5)/(3/10)

Determine whether each statement is true or false. 6 ∈ {2, 5, 8, 9}

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.3.6X10⁴ / 9X10⁻²