0. Review of Algebra

Exponents

Textbook Question
Determine whether each statement is true or false. {5, 7, 9, 19} ∩ {7, 9, 11, 15} = {7, 9}
Textbook Question
Multiply or divide as indicated. Write answers in lowest terms as needed. $three fourths divided by 12$
2
views
Textbook Question
Simplify each expression. Write answers without negative exponents. Assume all variables represent nonzero real numbers. r⁷/r¹⁰
Textbook Question
Add or subtract as indicated. Write answers in lowest terms as needed. 7/12-1/9
2
views
Textbook Question
In 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.(4.3X10⁸)(6.2X10⁴)
2
views
Textbook Question
Determine whether each statement is true or false. |-14| / |2| = |-14/2|
3
views
Textbook Question
In Exercises 1–6, find the intersection of the sets.{ 1, 2, 3, 4} ⋂ {2, 4, 5}
29
views
2
rank
Textbook Question
Add or subtract as indicated. 3.87 + 15 + 2.9
Textbook Question
Write each fraction in lowest terms. 8/16
9
views
Textbook Question
List all numbers from the given set that are a. natural numbers, b. whole numbers, c. integers, d. rational numbers, e. irrational numbers, f. real numbers. {-11, -5/6, 0, 0.75, √5, π, √64}
1
views
Textbook Question
In Exercises 87–106, 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. (2.4×10^−2)/(4.8×10^-6)
Textbook Question
Write each number in scientific notation. 579,000,000,000,000,000
1
views
Textbook Question
Simplify each expression. Write answers without negative exponents. Assume all variables represent nonzero real numbers. x¹²/x⁸
Textbook Question
Write 40,610,000 in scientific notation. (Section 1.7, Example 2)
Textbook Question
Multiply or divide as indicated.19.967÷9.74