8th Math Unit 1 Lifeline Flashcardizz

Front

In between what two integers is the square root of 77?

Back

The square root of 77 is between 8 and 9.

Front

What type of number is √49?

Back

√49 is a rational number.

Front

What type of number is 0.222...?

Back

0.222... is a rational number.

Front

Convert 0.004078 to scientific notation.

Back

0.004078 in scientific notation is 4.078 x 10^-3.

Front

Order the following from least to greatest: \(\frac{19}{3}, \sqrt{27}, 7.2\)

Back

The order from least to greatest is \(\sqrt{27}, \frac{19}{3}, 7.2\).

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction \(\frac{a}{b}\), where a and b are integers and b is not zero.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

Front

How do you find the square root of a number?

Back

To find the square root of a number, you look for a value that, when multiplied by itself, gives the original number.

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form, using powers of ten.

Front

What is the square root of 49?

Back

The square root of 49 is 7.