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Decimals
DEFINITION: a fraction whose denominator is a power of ten and whose numerator is expressed by figures placed to the right of a decimal point. HOW TO: One Dollar and Twenty-Five Cents = $1.25 A 3.6 GPA Everyday Use: Decimals are used every day when dealing with numbers and money.
Scientific Notation
Scientific notation Definition Is a mathematical expression used to represent a decimal number between 1 and 10 multiplied by ten, so you can write large numbers using less digits. An example of scientific notation is when you write 4 x 10³ for 4,000 Example: instead of writing 0.0000000056, we write 5.6 x 10-9. Everyday use: Standard Jimmy has 542000 dollars total Scientific Jimmy has 5.42 × 10^5 dollars total Khan Link: https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-scientific-notation/e/scientific_notation