Unit 1: Real Numbers

Front

What are real numbers?

Back

Real numbers include all the numbers on the number line, including rational numbers (like integers and fractions) and irrational numbers (like √2 and π).

Front

How do you convert scientific notation to standard form?

Back

To convert scientific notation to standard form, multiply the number by 10 raised to the power indicated. For example, 3.25 x 10^5 = 325,000.

Front

What is the process for ordering numbers from least to greatest?

Back

To order numbers from least to greatest, compare their values and arrange them in ascending order.

Front

What is the standard form of 8.73 x 10^-4?

Back

The standard form of 8.73 x 10^-4 is 0.000873.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide by 100. For example, 2% = 2/100 = 0.02.

Front

What is the decimal equivalent of 1/2?

Back

The decimal equivalent of 1/2 is 0.5.

Front

How do you compare fractions?

Back

To compare fractions, find a common denominator or convert them to decimals.

Front

What is the value of √27?

Back

The value of √27 is approximately 5.196.

Front

How do you express 2.1 x 10^-2 in decimal form?

Back

2.1 x 10^-2 in decimal form is 0.021.

Front

What is the first step in ordering decimals?

Back

The first step in ordering decimals is to align the decimal points.