Exploring Powers and Exponents in Pre Algebra

This video tutorial covers the basics of powers and exponents in pre-algebra. It explains the concepts of power, base, and exponent, and demonstrates how to express repetitive multiplication using these terms. The tutorial also covers writing powers with variables, understanding the difference between negative bases and negative powers, and solving numeric expressions using the PEMDAS rule. Additionally, it includes examples of evaluating expressions with variables and solving a word problem involving powers.

What does the exponent in a power indicate?

• The number being multiplied

• The number of times the base is multiplied

• The difference between the base and the exponent

• The sum of the base and the exponent

Tags

CCSS.6.EE.A.1

How would you write 'negative eight times negative eight times negative eight' using exponents?

• 8^3

• (-8)^4

• -8^3

• (-8)^3

Tags

CCSS.6.EE.A.1

If you have 'x minus y' in parentheses three times, how would you write it using exponents?

• (x - y)^2

• x^3 - y

• x^3 - y^3

• (x - y)^3

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CCSS.HSA.APR.C.4

What is the result of (-3)^4?

• -27

• 81

• -81

• 27

Tags

CCSS.6.EE.A.1

How do you handle a negative sign in front of a base without parentheses?

• Multiply the negative sign with the base first

• Ignore the negative sign

• Add the negative sign after multiplying the positive bases

• Square the negative sign

Tags

CCSS.6.EE.A.1

What is the first step in solving numeric expressions using PEMDAS?

• Perform addition

• Solve exponents

• Solve parentheses

• Perform multiplication

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What is the value of 3.5 squared?

• 7.25

• 12.25

• 10.5

• 9.75

Tags

CCSS.6.EE.A.1

How do you apply an exponent to a fraction?

• Square only the denominator

• Square only the numerator

• Apply the exponent to both the numerator and the denominator

• Multiply the fraction by the exponent

Tags

CCSS.8.EE.A.1

What is the weight of the brown bear if 2 times 5 squared times 7 is calculated?

• 120 pounds

• 305 pounds

• 230 pounds

• 405 pounds

Tags

CCSS.6.EE.A.1

How much more does the brown bear weigh than the panther if the panther weighs 120 pounds?

• 185 pounds

• 200 pounds

• 230 pounds

• 250 pounds

Tags

CCSS.3.OA.D.8