Review

Front

What are irrational numbers?

Back

Decimals that don't end and don't repeat.

Front

What are rational numbers?

Back

Decimals that end or repeat.

Front

In scientific notation, where do you always move the decimal?

Back

Behind the very first number.

Front

What kind of exponent would you use for the scientific notation of 0.000357?

Back

Negative.

Front

What type of number best represents -\frac{\sqrt{64}}{2}?

Back

Integer.

Front

What is a rational number?

Back

A number that can be expressed as a fraction of two integers.

Front

What is an irrational number?

Back

A number that cannot be expressed as a simple fraction.

Front

How do you convert a decimal to scientific notation?

Back

Move the decimal point to create a number between 1 and 10, then count the moves.

Front

What is the scientific notation for 5000?

Back

5.0 x 10^3.

Front

What is the scientific notation for 0.00045?

Back

4.5 x 10^-4.