Unit 4 Test Review

Front

What is Exponential Form?

Back

A way of expressing numbers using a base and an exponent, such as 2^3 = 8.

Front

What is Expanded Form?

Back

A way of writing numbers to show the value of each digit, such as 345 = 300 + 40 + 5.

Front

What is Standard Form?

Back

The usual way of writing numbers, such as 500 instead of 5 x 10^2.

Front

What is a Variable?

Back

A letter that represents a mystery number, such as f, g, or h.

Front

What is the Expanded Form of 3^2 * t^3?

Back

3 x 3 x t x t x t.

Front

How do you convert from Exponential Form to Standard Form?

Back

By calculating the value of the expression, for example, 2^4 = 16.

Front

What is the purpose of using Variables in Mathematics?

Back

To represent unknown values in equations and expressions.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form, combining like terms and removing parentheses.

Front

What is the difference between a coefficient and a variable?

Back

A coefficient is a number that multiplies a variable, such as 4 in 4f.

Front

What is a constant in mathematics?

Back

A fixed value that does not change, such as 5 in the expression 3x + 5.