Simplify the Expression: b⁵/b² Using Exponent Rules

Insert the corresponding expression:

b5b2= \frac{b^5}{b^2}=

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Step-by-step video solution

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00:00 Simply
00:02 We'll use the formula for dividing powers
00:04 Any division of powers with the same base (A) and different exponents
00:07 equals the same base (A) raised to the difference of exponents (M-N)
00:10 We'll use this formula in our exercise
00:13 And we'll compare the numbers to the variables in the formula
00:27 We'll keep the base and subtract between the exponents
00:42 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:

b5b2= \frac{b^5}{b^2}=

2

Step-by-step solution

To solve this problem, we need to simplify the expression b5b2 \frac{b^5}{b^2} using the rules of exponents.

  • Step 1: Identify the rule to apply: For any positive integer exponents m m and n n , the rule aman=amn\frac{a^m}{a^n} = a^{m-n} applies when dividing terms with the same base. In this expression, our base is b b .

  • Step 2: Apply the rule: Substitute the given exponents into the formula: b5b2=b52\frac{b^5}{b^2} = b^{5-2}

  • Step 3: Perform the subtraction: Calculate the exponent 52 5 - 2 : b52=b3b^{5-2} = b^3

Therefore, the solution to the expression b5b2 \frac{b^5}{b^2} is b3 b^3 .

3

Final Answer

b3 b^3

Practice Quiz

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\( (4^3)^2= \)

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