Simplify the Expression: (2a)⁵ ÷ (2a)³ Using Laws of Exponents

Insert the corresponding expression:

(2×a)5(2×a)3= \frac{\left(2\times a\right)^5}{\left(2\times a\right)^3}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Simply
00:02 We'll use the formula for dividing powers
00:04 Any number (A) to the power of (N) divided by the same base (A) to the power of (M)
00:07 equals number (A) to the power of the difference of exponents (M-N)
00:09 We'll use this formula in our exercise
00:11 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Insert the corresponding expression:

(2×a)5(2×a)3= \frac{\left(2\times a\right)^5}{\left(2\times a\right)^3}=

2

Step-by-step solution

To solve the given expression, we apply the Power of a Quotient Rule for Exponents. This rule tells us that if we have an expression of the form bmbn \frac{b^m}{b^n} , it simplifies to bmn b^{m-n} .


Given the expression (2×a)5(2×a)3 \frac{(2\times a)^5}{(2\times a)^3} , we can identify it with the rule as follows. Here, the base (2×a) (2\times a) is the same in both the numerator and the denominator, with exponents 5 and 3 respectively.


According to the rule, we subtract the exponent in the denominator from the exponent in the numerator, which results in (2×a)53 (2\times a)^{5-3} .


This simplifies to (2×a)2 (2\times a)^2 , but based on the way the answer is expected to be expressed, we stick with (2×a)53 (2\times a)^{5-3} .


Thus, the solution to the question is: (2×a)53 (2\times a)^{5-3}

3

Final Answer

(2×a)53 \left(2\times a\right)^{5-3}

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

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