Insert ∈ or ∉ in each blank to make the resulting statement true. {2} ____ {2, 4, 6, 8}

Perform the indicated operation and write the answer in decimal notation.$(3\times {10}^3)(1.3\times {10}^2)$

Insert ∈ or ∉ in each blank to make the resulting statement true. . 0 ____ ∅

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. {-11, -5/6, 0, 0.75, √5, π, √64}

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

Multiply or divide as indicated. Write answers in lowest terms as needed. $\frac{6}{11}÷\frac{5}{4}$