Understanding Powers and Exponents

What is the exponent in the expression -1 * -1 when written using exponents?

• 1

• 2

• 4

• 3

How would you express 5x + 1 * 5x + 1 using exponents?

• (5x + 1)^2

• 5x^2 + 1

• (5x)^2 + 1

• 5x + 1^2

If you have x * x * x * x, how can you write it using exponents?

• x^5

• x^3

• x^2

• x^4

What is the result of 2^6?

• 128

• 12

• 64

• 32

What is a common mistake when interpreting 2^6?

• Thinking it is 2^3

• Thinking it is 6^2

• Thinking it is 2 + 6

• Thinking it is 2 * 6

How do you evaluate 2^3 * 5^2?

• 250

• 100

• 150

• 200

What is the value of -5^2?

• 10

• 25

• -25

• -10

How do you calculate 2^3?

• 16

• 12

• 8

• 6

What is the result of 25 - 8?

• 19

• 18

• 15

• 17

What is the importance of keeping track of the subtraction sign in expressions?

• It changes the base of the exponent

• It only matters in addition

• It is irrelevant

• It affects the final result