7ACC Final Review part 3 (Exponents and Evaluation)

Front

What is an exponent?

Back

An exponent is a number that indicates how many times to multiply the base by itself.

Front

What is the value of 2 raised to the power of 5?

Back

32

Front

How do you simplify the expression 2 * 2^2 * 2^2?

Back

Combine the exponents: 2^(1+2+2) = 2^5.

Front

What is the result of dividing any number by zero?

Back

Undefined.

Front

Evaluate the expression x - 2y^2 when x=5 and y=3.

Back

-13.

Front

What does it mean for an expression to be undefined?

Back

An expression is undefined when it does not have a valid numerical value, such as division by zero.

Front

What is the base in the expression -2^5?

Back

The base is -2.

Front

What is the simplified form of 5/0?

Back

Undefined.

Front

What is the product of 2^3 and 2^4?

Back

2^(3+4) = 2^7 = 128.

Front

How do you evaluate an expression with exponents?

Back

Calculate the exponent first, then perform the other operations.