0. Review of Algebra

In Exercises 15–30, write each number in scientific notation.0.0027

In Exercises 21–28, find the intersection of the sets. {s,e,t}∩{t,e,s}

Determine whether each statement is true or false. |-14| / |2| = |-14/2|

Use set notation, and list all the elements of each set. {74, 68, 62, ..., 38}

Evaluate each exponential expression: (-3)^3 (-2)^2

Use set notation, and list all the elements of each set. {x | x is a natural number greater than 8 and less than 15}

In Exercises 15–30, write each number in scientific notation.-0.00000000504

Multiply or divide as indicated. Write answers in lowest terms as needed. (4/5)*(6/7)

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: (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}∩∅