0. Review of Algebra

Determine whether each statement is true or false. ∅ ∪ ∅ = ∅

Evaluate each expression. 2∙5 - 10÷12

Write each number in decimal notation without the use of exponents. $-3.14\times {10}^{-3}$

Evaluate each expression. $\(\frac{15 \div 5 \cdot 4 \div 6 - 8}{-6 - (-5) - 8 \div 2}\)$

Identify the property illustrated in each statement. Assume all variables represent real numbers. 6∙12+6∙15=6(12+15)

Write each percent as a fraction. Give answers in lowest terms.

$2\%$

Evaluate each algebraic expression for x = 2 and y = -5. |x|+|y|

Determine whether each statement is true or false. ∅ ∩ ∅ = ∅

Write each number in scientific notation. 0.0083

Find the intersection of the sets. {s,e,t}∩{t,e,s}

Write each number in decimal notation without the use of exponents. $-8.17\times {10}^6$

Determine whether each statement is true or false. If false, correct the right side of the equation. (2/3)^-2 = (3/2)²

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

Write each improper fraction as a mixed number. 17/12

For the decimal number 46.249, round to the place value indicated. (a) hundredths (b) tenths (c) ones or units (d) tens