Insert ∈ or ∉ in each blank to make the resulting statement true. 0 _____ {0, 5, 6, 7, 8, 10}

Multiply or divide as indicated. Write answers in lowest terms as needed. (21/8)∙(4/7)

Find each sum or difference. -7/3 + 3/4

Find the union of the sets. {e,m,p,t,y} ∪ ∅

Write each number in scientific notation. 3,590,000

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}