Simplify 6⁴ × 2³ × 6² × 2⁵: Combining Powers with Same Base Numbers

Exponent Rules with Multiplication Grouping

Simplify the following equation:

64×23×62×25= 6^4\times2^3\times6^2\times2^5=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Simply
00:04 We'll use the commutative law and arrange the equal bases together
00:13 We'll use the formula for multiplying power by power
00:16 Any number (A) to the power of (M) times the same number (A) to the power of (N)
00:19 We'll get the same number (A) to the power of the sum of exponents (M+N)
00:22 We'll use this formula in our exercise
00:33 We'll keep the base and sum the exponents
00:53 We'll use the same method for the second base
01:12 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Simplify the following equation:

64×23×62×25= 6^4\times2^3\times6^2\times2^5=

2

Step-by-step solution

To simplify the equation 64×23×62×25 6^4 \times 2^3 \times 6^2 \times 2^5 , we will make use of the rules of exponents, specifically the product of powers rule, which states that when multiplying two powers that have the same base, you can add their exponents.

Step 1: Identify and group the terms with the same base.
In the expression 64×23×62×25 6^4 \times 2^3 \times 6^2 \times 2^5 , group the powers of 6 together and the powers of 2 together:

  • Powers of 6: 64×62 6^4 \times 6^2

  • Powers of 2: 23×25 2^3 \times 2^5

Step 2: Apply the product of powers rule.
According to the product of powers rule, for any real number a a , and integers m m and n n , the expression am×an=am+n a^m \times a^n = a^{m+n} .

Apply this rule to the powers of 6:
64×62=64+2=66 6^4 \times 6^2 = 6^{4+2} = 6^6 .

Apply this rule to the powers of 2:
23×25=23+5=28 2^3 \times 2^5 = 2^{3+5} = 2^8 .

Step 3: Write down the final expression.
Combining our results gives the simplified expression: 66×28 6^6 \times 2^8 .

Therefore, the solution to the problem is 66×28 6^6 \times 2^8 .

3

Final Answer

66×28 6^6\times2^8

Key Points to Remember

Essential concepts to master this topic
  • Product Rule: When multiplying same bases, add the exponents together
  • Grouping: Collect like bases: 64×62=64+2=66 6^4 \times 6^2 = 6^{4+2} = 6^6
  • Verify: Count original exponents match final sum: 4+2=6, 3+5=8 ✓

Common Mistakes

Avoid these frequent errors
  • Multiplying exponents instead of adding them
    Don't multiply the exponents like 64×62=68 6^4 \times 6^2 = 6^8 = wrong answer! This confuses the product rule with the power rule. Always add exponents when multiplying same bases: 64×62=64+2=66 6^4 \times 6^2 = 6^{4+2} = 6^6 .

Practice Quiz

Test your knowledge with interactive questions

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

FAQ

Everything you need to know about this question

Why do I add the exponents instead of multiplying them?

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The product rule says am×an=am+n a^m \times a^n = a^{m+n} . Think of it this way: 64×62 6^4 \times 6^2 means (6×6×6×6) × (6×6) = 6×6×6×6×6×6 = 66 6^6 . You're counting the total number of 6's!

What if the bases are different like 6 and 2?

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Keep them separate! You can only combine exponents when the bases are identical. So 64×23 6^4 \times 2^3 stays as 64×23 6^4 \times 2^3 - don't try to combine these.

How do I remember to group the same bases together?

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Look for matching numbers in the bases! Circle or underline all the 6's together and all the 2's together. Then apply the product rule to each group separately.

Can I simplify this expression further?

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The answer 66×28 6^6 \times 2^8 is fully simplified using exponent rules. You could calculate the actual numbers (46,656 × 256), but keeping it in exponential form is usually preferred in algebra.

What if I have three or more of the same base?

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Same rule applies! 62×63×61=62+3+1=66 6^2 \times 6^3 \times 6^1 = 6^{2+3+1} = 6^6 . Just add all the exponents of the same base together.

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