Adding and Subtracting Rational Expressions

This video tutorial covers comparing and ordering various types of numbers, including integers, fractions, decimals, percents, exponents, square roots, cube roots, and scientific notation. It provides tips on simplifying and converting numbers to decimal form for easier comparison. The tutorial includes multiple examples of ordering numbers from least to greatest and greatest to least, emphasizing the importance of returning to the original number format in final answers.

What should you always do when comparing different types of numbers?

• Write them in scientific notation

• Simplify them when possible

• Convert them to fractions

• Convert them to percents

When ordering numbers from least to greatest, what is the first step?

• Convert all numbers to scientific notation

• Convert all numbers to fractions

• Convert all numbers to decimals

• Convert all numbers to percents

Which of the following is the correct order from least to greatest for the numbers: 0.58, 0.6, 0.4, 0.5?

• 0.4, 0.58, 0.5, 0.6

• 0.6, 0.58, 0.5, 0.4

• 0.58, 0.4, 0.5, 0.6

• 0.4, 0.5, 0.58, 0.6

What is the decimal equivalent of 7%?

• 0.07

• 0.7

• 0.007

• 0.0007

Which number is the largest: 1/9, 10%, √2, 1%?

• 1/9

• 1%

• 10%

• √2

What is the approximate value of the square root of 19?

• 3.6

• 3.87

• 4.36

• 4.19

Which of the following is the correct order from greatest to least for the numbers: 0.1, 0.083, 0.03125, 0.0034?

• 0.1, 0.03125, 0.083, 0.0034

• 0.1, 0.083, 0.03125, 0.0034

• 0.083, 0.1, 0.03125, 0.0034

• 0.0034, 0.03125, 0.083, 0.1

What is the decimal equivalent of 5/4?

• 1.25

• 1.4

• 1.75

• 1.5

Which number is the smallest: 0.8, 0.75, 0.7143, 0.00718?

• 0.8

• 0.75

• 0.7143

• 0.00718

What is the decimal equivalent of 3/4?

• 0.8

• 0.7

• 0.74

• 0.75