Math 4 Unit 3-4 Exponential Notation Quiz
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Questions and Answers

What is 10x10x10x10x10 in exponential notation?

  • 10 6th power
  • 10 3rd power
  • 10 4th power
  • 10 5th power (correct)

What is 7x7x7 in exponential notation?

  • 7 3rd power (correct)
  • 7 5th power
  • 7 4th power
  • 7 2nd power

What is 13x13x13x13x13x13 in exponential notation?

  • 13 6th power (correct)
  • 13 3rd power
  • 13 4th power
  • 13 5th power

What is 6x6x6x6 in exponential notation?

<p>6 4th power (C)</p> Signup and view all the answers

What is 10 5th power in expanded form?

<p>10x10x10x10x10 (B)</p> Signup and view all the answers

What is 35 squared in expanded form?

<p>35x35 (A)</p> Signup and view all the answers

What is 4 3rd power in expanded form?

<p>4x4x4 (D)</p> Signup and view all the answers

What is 7 6th power in expanded form?

<p>7x7x7x7x7x7 (C)</p> Signup and view all the answers

What is 55 4th power in expanded form?

<p>55x55x55x55 (D)</p> Signup and view all the answers

What is 8 cubed in expanded form?

<p>8x8x8 (A)</p> Signup and view all the answers

What is 5 4th power in standard form?

<p>625 (B)</p> Signup and view all the answers

What is 10 3rd power in standard form?

<p>1,000 (D)</p> Signup and view all the answers

What is 4x4x4 in standard form?

<p>64 (C)</p> Signup and view all the answers

What is 12 squared in standard form?

<p>144 (A)</p> Signup and view all the answers

Why is the standard form of 8 2nd power NOT equal to 16?

<p>The standard form is 64 because you multiply 8x8.</p> Signup and view all the answers

Find the number that equals 81 when it is squared.

<p>9</p> Signup and view all the answers

Darnell earned $10 each week for 10 weeks walking a neighbor's dog. How much did he earn?

<p>100</p> Signup and view all the answers

Write the amount Darnell earned using exponential notation for $10 each week for 10 weeks.

<p>10 2nd power</p> Signup and view all the answers

Which of the following, when written in standard form, is equal to the standard form of 2 2nd power?

<p>4</p> Signup and view all the answers

Flashcards

Exponential Notation

A mathematical expression where a base number is multiplied by itself a specific number of times, indicated by the exponent.

Base

The number that is being multiplied by itself in an exponential expression. It's the base of the power.

Exponent

The small number written above and to the right of the base. It indicates how many times the base is multiplied by itself.

Standard Form

The result of multiplying a number by itself a certain number of times (as indicated by the exponent).

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Expanded Form

Writing a number as the product of the same factor multiplied by itself a specific number of times.

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10 5th Power

10 multiplied by itself 5 times.

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7 3rd Power

7 multiplied by itself 3 times.

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13 6th Power

13 multiplied by itself 6 times.

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6 4th Power

6 multiplied by itself 4 times.

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10 5th Power in Expanded Form

10 multiplied by itself 5 times.

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35 Squared

35 multiplied by itself 2 times.

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4 3rd Power

4 multiplied by itself 3 times.

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7 6th Power

7 multiplied by itself 6 times.

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55 4th Power

55 multiplied by itself 4 times.

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8 Cubed

8 multiplied by itself 3 times.

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5 4th Power

5 multiplied by itself 4 times.

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10 3rd Power

10 multiplied by itself 3 times.

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4x4x4

4 multiplied by itself 3 times.

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12 Squared

12 multiplied by itself 2 times.

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Study Notes

Exponential Notation

  • Exponential notation represents repeated multiplication of a number.
  • Example: 10x10x10x10x10 is written as 10 to the 5th power.
  • Other examples include:
    • 7x7x7 as 7 to the 3rd power
    • 13x13x13x13x13x13 as 13 to the 6th power
    • 6x6x6x6 as 6 to the 4th power

Expanded Form

  • Expanded form expresses a number's exponentiation as repeated multiplication.
  • Key examples:
    • 10 to the 5th power is expressed as 10x10x10x10x10.
    • 35 squared (35^2) is represented as 35x35.
    • 4 to the 3rd power is shown as 4x4x4.

Standard Form

  • Standard form is the simplified numerical value of an exponentiation.
  • Important conversions:
    • 5 to the 4th power equals 625.
    • 10 to the 3rd power equals 1,000.
    • 4x4x4 equals 64.
    • 12 squared is equal to 144.

Common Errors

  • 8 to the 2nd power may seem to equal 16, but it actually equals 64 since it is calculated as 8x8.

Square Roots

  • To find a number that equals 81 when squared, the answer is 9 (since 9x9=81).

Profit Calculation

  • Darnell's earnings formula involves weekly pay for hours worked:
    • Earning $10 each week for 10 weeks results in a total of $100.
    • This can also be expressed using exponential notation as 10 to the 2nd power (10^2).

Standard Form Comparison

  • The question of equivalence is also addressed for expressions like 2 to the 2nd power, which equals 4 when converted to standard form.

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Test your understanding of exponential notation with this quiz. You will convert products into exponential form and vice versa. Perfect for reinforcing concepts related to powers and exponents!

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