0. Review of Algebra

Write each fraction in lowest terms. 4/12

Find {16, 18, 21, 50} ∩ {15, 16, 17, 18}.

In Exercises 1–14, write each number in decimal notation without the use of exponents.7.9X10⁻¹

Evaluate each expression. |-4|

Find {16, 18, 21, 50} ∪ {15, 16, 17, 18}.

In Exercises 1–12, find each absolute value.|-√2|

Write each fraction in lowest terms. 16/20

Write each fraction in lowest terms. 90/150

Identify each set as finite or infinite. Then determine whether 10 is an element of the set. {4, 5, 6,...., 15}

In Exercises 1–12, find each absolute value.-|-2/5|

Write each fraction in lowest terms. 100/140

Evaluate each expression. |-15|

Write each fraction in lowest terms. 18/90

Identify each set as finite or infinite. Then determine whether 10 is an element of the set. {1, 1/2, 1/4, 1/8, ....}

Evaluate each expression. -|4/7|