0. Review of Algebra
Exponents
- Textbook QuestionIn Exercises 31–50, perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places.480,000,000,000 / 0.00012
- Textbook Question
Identify the property illustrated in each statement. Assume all variables represent real numbers. (t-6)∙(1/t-6)=1, if t-6 ≠ 0
- Textbook QuestionIn Exercises 59–70, evaluate each exponential expression. (-10)^2
- Textbook QuestionIn Exercises 51–58, solve each equation. Express the solution in scientific notation.x / 2X10⁸ =-3.1X10⁻⁵
- Textbook Question
Perform the indicated computations. Write the answers in scientific notation. If necessary, round the decimal factor in your scientific notation answer to two decimal places. (66,000×0.001)/(0.003×0.002)
2views - Textbook QuestionIn Exercises 15–30, write each number in scientific notation.3.141592views
- Textbook QuestionIn Exercises 1–12, find each absolute value.|-7|17views
- Textbook Question
Write each fraction as a decimal. For repeating decimals, write the answer by first using bar notation and then rounding to the nearest thousandth. 9/4
- Textbook Question
Find each sum or difference. 13 + (-4)
2views - Textbook Question
Find each sum or difference. -2 - |-4|
- Textbook Question
Write each expression without negative exponents, and evaluate if possible. Assume all variables represent nonzero real numbers. (-4)-3
- Textbook QuestionIn Exercises 1–12, find each absolute value.-|-2/5|3views
- Textbook Question
Write each percent as a fraction. Give answers in lowest terms.
- Textbook Question
Let A = {2, 4, 6, 8, 10, 12}, B = {2, 4, 8, 10}, C = {4, 10, 12}, D = {2, 10}, andU = {2, 4, 6, 8, 10, 12, 14}. Determine whether each statement is true or false. ∅ ⊆ ∅
- Textbook Question
Find the domain of each rational expression. x2 - 1 / x + 1