0. Review of Algebra

Exponents

Textbook Question
In the decimal number 367.9412, name the digit that has each place value. (a) tens (b) tenths (c) thousandths (d) ones or units (e) hundredths
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Textbook Question
Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8},N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. M ∪ N
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Textbook Question
State the name of the property illustrated: (6 • 3) • 9 = 6 • (3 • 9)
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Textbook Question
Evaluate each exponential expression: 5^(-3) • 5
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Multiple Choice
Simplify the expression using exponent rules.
$\left(-5a^2\right)\left(3a^8\right)$
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2
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Multiple Choice
Simplify the expression using exponent rules.
$-\frac{12b^{11}}{4b^7}$
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Multiple Choice
Rewrite the expression using exponent rules.
$\left(4x^2\right)^3$
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Multiple Choice
Rewrite the expression using exponent rules.
$\left(\frac{3x^4}{y^{-2}}\right)^3$
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26
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3
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Textbook Question
In Exercises 1–14, write each number in decimal notation without the use of exponents.3.8X10²
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Textbook Question
In Exercises 1–6, find the intersection of the sets.{ 1, 2, 3, 4} ⋂ {2, 4, 5}
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Textbook Question
In Exercises 1–12, find each absolute value.|-7|
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Textbook Question
In the fraction 5/8, 5 is the numerator and 8 is the denominator.
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Textbook Question
The mixed number equivalent of the improper fraction 31/5 is 6(1/5).
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Textbook Question
In Exercises 1–12, find each absolute value.|4|
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Textbook Question
The reciprocal of 6/2 is 3/1.
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