Exploring Zero and Negative Exponents

What is a perfect square?

• A number that is subtracted from itself

• A number that is added to itself

• A number that is multiplied by itself

• A number that is divided by itself

In the expression 2^4, what is the base?

• 4

• 8

• 2

• 16

What is the value of any non-zero number raised to the zero power?

• 1

• 0

• Undefined

• The number itself

What is 5^0?

• Undefined

• 1

• 5

• 0

How do you convert a negative exponent to a positive exponent?

• By moving the base to the numerator

• By moving the base to the denominator

• By subtracting 1 from the exponent

• By adding 1 to the exponent

What is 2^-3?

• 8

• 1/8

• 2/3

• 1/2

Simplify the expression 4y * x^-3.

• 4y^3/x

• 4y/x^3

• 4yx^3

• 4/x^3

What happens to a term with a zero exponent in an expression?

• It remains the same

• It becomes one

• It is removed from the expression

• It becomes zero

Simplify the expression 7m^2 * t^-2 when m=2 and t=-3.

• 49/81

• 49/9

• 28/81

• 28/9

What is the simplified form of n^-3 * w^0 when n=-2 and w=5?

• -1/2

• 1/2

• -1/8

• 1/8