Expand the Expression: 6^(3+2) Using Exponent Rules

Exponent Rules with Addition in Exponents

Expand the following equation:

63+2= 6^{3+2}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Simplify the following problem
00:03 According to the laws of exponents, the multiplication of exponents with the same base (A)
00:07 equals the same base raised to the sum of the exponents (N+M)
00:11 We'll apply this formula to our exercise, in the reverse direction
00:15 We'll break it down into the product of the appropriate exponents
00:20 This is the solution

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Expand the following equation:

63+2= 6^{3+2}=

2

Step-by-step solution

Let's solve this problem step-by-step using the rules of exponents:

  • Step 1: Identify the expression. We are given 63+26^{3+2}.

  • Step 2: Apply the exponent rule am+n=am×ana^{m+n} = a^m \times a^n. This allows us to split the addition in the exponent into separate multiplicative terms.

  • Step 3: Break down the exponent addition 3+23+2 into: 63×626^3 \times 6^2.

By applying the rules of exponents, the expression 63+26^{3+2} can be expanded to:
63×62 6^3 \times 6^2

Therefore, the expanded form of the expression is 63×62 6^3 \times 6^2 .

3

Final Answer

63×62 6^3\times6^2

Key Points to Remember

Essential concepts to master this topic
  • Rule: am+n=am×an a^{m+n} = a^m \times a^n splits addition into multiplication
  • Technique: Break 63+2 6^{3+2} into 63×62 6^3 \times 6^2
  • Check: Both 63+2 6^{3+2} and 63×62 6^3 \times 6^2 equal 65=7776 6^5 = 7776

Common Mistakes

Avoid these frequent errors
  • Adding exponents instead of applying the multiplication rule
    Don't think 63+2=63+62 6^{3+2} = 6^3 + 6^2 = 216 + 36 = 252! This confuses addition with the exponent rule. Always remember that am+n=am×an a^{m+n} = a^m \times a^n , not addition.

Practice Quiz

Test your knowledge with interactive questions

\( 112^0=\text{?} \)

FAQ

Everything you need to know about this question

Why can't I just add the exponents together to get 65 6^5 ?

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You're actually right that 63+2=65 6^{3+2} = 6^5 ! But the question asks you to expand the expression, which means showing it as 63×62 6^3 \times 6^2 using the exponent rule.

What's the difference between expanding and simplifying?

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Expanding means breaking apart using rules like am+n=am×an a^{m+n} = a^m \times a^n . Simplifying means calculating the final number. Here, expanding gives 63×62 6^3 \times 6^2 , while simplifying gives 7776.

When do I use this exponent rule?

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Use am+n=am×an a^{m+n} = a^m \times a^n whenever you see addition in the exponent. It's especially helpful for expanding expressions or when you need to show your work step-by-step.

Can I use this rule backwards too?

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Yes! The rule works both ways: am×an=am+n a^m \times a^n = a^{m+n} . This is useful when you want to combine terms with the same base instead of expanding them.

What if the numbers in the exponent are negative?

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The rule still works! For example, 52+(1)=52×51 5^{2+(-1)} = 5^2 \times 5^{-1} . Just remember that an=1an a^{-n} = \frac{1}{a^n} when dealing with negative exponents.

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