Solve (13×21)/(11×10) Raised to the 6th Power: Complex Fraction Expression

Power Rules with Complex Fractions

Insert the corresponding expression:

(13×2111×10)6= \left(\frac{13\times21}{11\times10}\right)^6=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Simplify the following problem
00:04 According to the laws of exponents, a fraction raised to the power (N)
00:06 equals both the numerator and denominator raised to the same power (N)
00:10 We can observe that both the numerator and denominator are multiplications
00:13 We will apply this formula to our exercise, making sure to use parentheses
00:24 According to the laws of exponents, a multiplication raised to a power (N)
00:29 equals the multiplication broken down into factors with each factor raised to power (N)
00:33 We will apply this formula to our exercise
00:39 This is the solution

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Insert the corresponding expression:

(13×2111×10)6= \left(\frac{13\times21}{11\times10}\right)^6=

2

Step-by-step solution

To solve this problem, we need to simplify the expression (13×2111×10)6\left(\frac{13 \times 21}{11 \times 10}\right)^6 by correctly distributing the exponent of 6 throughout both the numerator and the denominator.

Step 1: Start by applying the exponent of 6 to the entire fraction using the property (ab)n=anbn\left(\frac{a}{b}\right)^n = \frac{a^n}{b^n}. This means that each component of the numerator and the denominator will be raised to the power of 6 separately.

Step 2: Apply the exponent to the numerator: (13×21)6=136×216(13 \times 21)^6 = 13^6 \times 21^6.

Step 3: Similarly, apply the exponent to the denominator: (11×10)6=116×106(11 \times 10)^6 = 11^6 \times 10^6.

Step 4: Combine these results, noting that each term now has the exponent applied: (13×2111×10)6=136×216116×106\left(\frac{13 \times 21}{11 \times 10}\right)^6 = \frac{13^6 \times 21^6}{11^6 \times 10^6}.

Thus, the solution to the expression, when simplified, is 136×216116×106\frac{13^6 \times 21^6}{11^6 \times 10^6}, which corresponds to choice 1.

3

Final Answer

136×216116×106 \frac{13^6\times21^6}{11^6\times10^6}

Key Points to Remember

Essential concepts to master this topic
  • Power Rule: (ab)n=anbn \left(\frac{a}{b}\right)^n = \frac{a^n}{b^n} for entire fractions
  • Technique: Apply exponent to each factor: (13×21)6=136×216 (13 \times 21)^6 = 13^6 \times 21^6
  • Check: Verify each component has the exponent: numerator and denominator both raised to 6th power ✓

Common Mistakes

Avoid these frequent errors
  • Applying exponent to only part of numerator or denominator
    Don't raise just one factor to the 6th power like 13×21611×10 \frac{13 \times 21^6}{11 \times 10} = incomplete distribution! This violates the power rule and gives wrong results. Always apply the exponent to every single factor in both numerator and denominator.

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 raise part of the fraction to the 6th power?

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The power rule (ab)n=anbn \left(\frac{a}{b}\right)^n = \frac{a^n}{b^n} applies to the entire fraction. If you only raise part of it, you're changing the original expression completely!

What's the difference between (13×21)6 (13 \times 21)^6 and 136×216 13^6 \times 21^6 ?

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They're exactly the same! When you have (a×b)n (a \times b)^n , it equals an×bn a^n \times b^n . This is the power of a product rule.

Do I need to calculate the actual numbers?

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Not necessarily! The question asks for the expression, not the numerical answer. Keeping it as 136×216116×106 \frac{13^6 \times 21^6}{11^6 \times 10^6} shows you understand the power rules correctly.

What if I see different arrangements of the same expression?

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Remember that multiplication is commutative, so 136×216 13^6 \times 21^6 equals 216×136 21^6 \times 13^6 . The order doesn't matter as long as all factors have the correct exponent!

How do I remember when to use the power rule?

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Look for parentheses with an exponent outside! Whenever you see (expression)n (expression)^n , the exponent applies to everything inside the parentheses.

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