Simplify the Expression: 6²×6³×3² Using Exponent Rules

Exponent Rules with Mixed Bases

Reduce the following equation:

62×63×32= 6^2\times6^3\times3^2=

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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)
00:06 equals the same base raised to the sum of the exponents (N+M)
00:09 We'll apply this formula to our exercise, one operation at a time
00:13 We'll maintain the base and add up the exponents
00:21 This is the solution

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Reduce the following equation:

62×63×32= 6^2\times6^3\times3^2=

2

Step-by-step solution

To simplify the expression 62×63×32 6^2 \times 6^3 \times 3^2 , we will apply the rules for exponents:

  • Step 1: Identify powers with the same base. Here, we notice that 62 6^2 and 63 6^3 are powers with the base 6.
  • Step 2: Use the rule am×an=am+n a^m \times a^n = a^{m+n} to combine these powers: 62×63=62+3=65 6^2 \times 6^3 = 6^{2+3} = 6^5 .
  • Step 3: The term 32 3^2 remains unaffected by this operation because its base differs from that of 6. Therefore, it stays as 32 3^2 .

Therefore, the simplified form of 62×63×32 6^2 \times 6^3 \times 3^2 is 65×32 6^5 \times 3^2 .

3

Final Answer

65×32 6^5\times3^2

Key Points to Remember

Essential concepts to master this topic
  • Same Base Rule: am×an=am+n a^m \times a^n = a^{m+n} only for identical bases
  • Technique: 62×63=62+3=65 6^2 \times 6^3 = 6^{2+3} = 6^5 then keep 32 3^2 separate
  • Check: Count exponents: 2+3=5 for base 6, base 3 stays as 2 ✓

Common Mistakes

Avoid these frequent errors
  • Adding all exponents together regardless of base
    Don't add 2+3+2=7 to get 67 6^7 or 187 18^7 ! This ignores that 6 and 3 are different bases and creates completely wrong results. Always combine exponents only when the bases are identical.

Practice Quiz

Test your knowledge with interactive questions

\( (3\times4\times5)^4= \)

FAQ

Everything you need to know about this question

Why can't I combine 65 6^5 and 32 3^2 ?

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Because 6 and 3 are different bases! You can only use the rule am×an=am+n a^m \times a^n = a^{m+n} when the bases are exactly the same. Think of it like adding apples and oranges - they stay separate.

What if I want to calculate the actual number?

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You could calculate 65=7776 6^5 = 7776 and 32=9 3^2 = 9 , then multiply to get 69,984. But the simplified form 65×32 6^5 \times 3^2 is usually the preferred answer.

Can I rewrite 6 as 2×3 2 \times 3 to help combine terms?

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Great thinking! Yes, 65=(2×3)5=25×35 6^5 = (2 \times 3)^5 = 2^5 \times 3^5 . Then you'd have 25×35×32=25×37 2^5 \times 3^5 \times 3^2 = 2^5 \times 3^7 . Both forms are correct!

How do I remember when to add exponents?

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Use this simple check: "Same base? Add the exponents!" If the bases don't match exactly, keep them separate. 62×63 6^2 \times 6^3 becomes 65 6^5 , but 65×32 6^5 \times 3^2 stays as is.

What's the difference between this and (6×3)2 (6 \times 3)^2 ?

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Completely different! (6×3)2=182=324 (6 \times 3)^2 = 18^2 = 324 , while our expression 62×63×32=65×32=69,984 6^2 \times 6^3 \times 3^2 = 6^5 \times 3^2 = 69,984 . Parentheses change everything!

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