0. Review of Algebra

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

Evaluate each exponential expression: (3^3)/(3^6)

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

In Exercises 15–30, write each number in scientific notation.0.007

In Exercises 21–28, 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^4y^3)^3

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

In Exercises 15–30, write each number in scientific notation.3.14159

Find each sum or difference. -15+6

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

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

Insert ∈ or ∉ in each blank to make the resulting statement true. 13 _____ {3, 5, 12, 14}

In Exercises 29–34, find the union of the sets. {1,3,5,7}∪{2,4,6,8,10}