0. Review of Algebra

Evaluate each exponential expression: 2^(-4) + 4^(-1)

Use set notation, and list all the elements of each set. {x | x is a natural number not greater than 4}

Multiply or divide as indicated. Write answers in lowest terms as needed. (5/9)∙(2/7)

Evaluate each exponential expression: (3³)/(3⁶)

Insert ∈ or ∉ in each blank to make the resulting statement true. 6 _____ {3, 4, 5, 6}

Find the intersection of the sets. {a,b,c,d}∩∅

Find each sum or difference. -6 + (-13)

Multiply or divide as indicated. Write answers in lowest terms as needed. (3/20)∙(5/21)

Simplify each exponential expression: $(-2x^4{y}^3{)}^3$

Insert ∈ or ∉ in each blank to make the resulting statement true. 5 ____ {4, 6, 8, 10}

Find each sum or difference. -15+6

Simplify each exponential expression: $(-5x^3{y}^2)(-2x^{-11}{y}^{-2})$

Multiply or divide as indicated. Write answers in lowest terms as needed. (1/8)∙(10/7)