Evaluating Expressions with Exponents

Question 1

Which rules of exponents will be used to evaluate this expression? Select three options.

Revolt · Accepted Answer

quotient of powers; power of a power; negative exponent

Question 2

Which is the simplified form of the expression ?

Revolt · Accepted Answer

StartFraction 1 Over q Superscript 30 Baseline EndFraction

Question 3

Which is the simplified form of the expression ?

Revolt · Accepted Answer

StartFraction 1 Over x Superscript 21 Baseline y Superscript 12 Baseline EndFraction

Question 4

Which shows how to find the value of this expression when and ?

Revolt · Accepted Answer

StartFraction 3 squared (negative 2) Superscript 6 Baseline Over 5 Superscript 4 EndFraction

Question 5

Which is the value of this expression when and ?

Revolt · Accepted Answer

one-eighth

Question 6

Fatima evaluated the expression , when and . Her work is shown below. What was Fatima’s error?

Revolt · Accepted Answer

She did not correctly follow the order of operations by applying the exponent to .

Question 7

Which is the simplified form of the expression ?

Revolt · Accepted Answer

6 Superscript 30

Question 8

Which is the value of this expression when and ?

Revolt · Accepted Answer

StartFraction 729 Over 64 EndFraction

Question 9

Which is the value of the expression ?

Revolt · Accepted Answer

8

Question 10

Selena and Drake are evaluating the expression , when .Selena’s WorkDrake’s WorkWho is correct and why?

Revolt · Accepted Answer

Selena is correct because she simplified correctly and then evaluated correctly after substituting the values for the variables.

Evaluating Expressions with Exponents Answers