Insert the corresponding expression:
75×b5a5×x5=
To solve this problem, our goal is to express the given quotient of powers in a simplified form using exponent laws.
- Step 1: Understand the original expression. We have 75×b5a5×x5.
- Step 2: Recognize the structure. Notice that both the numerator and denominator are raised to the fifth power.
- Step 3: Apply the property of exponents for quotients and products, which states that (nm)k=nkmk and (m⋅n)k=mk⋅nk.
- Step 4: Rewrite the expression as a single fraction raised to the power of 5. Since each term in the numerator and denominator is raised to the fifth power separately, we combine them under a single power:
- Numerator: a5×x5=(a×x)5
- Denominator: 75×b5=(7×b)5
- Therefore, 75×b5a5×x5=(7×ba×x)5.
Thus, the expression can be written as: (7×ba×x)5.
Now, comparing this with the answer choices provided:
- Choice 1: 7×b5(a×x)5 - does not match, as it retains the separate powers incorrectly.
- Choice 2: (7×ba×x)5 - matches perfectly as derived.
- Choice 3: (7×b)5a×x5 - incorrect form compared to derived structure.
- Choice 4: 7×(ba×x)5 - unrelated format, doesn't match.
The correct choice is therefore Choice 2. This matches our derived expression using the laws of exponents correctly.
(7×ba×x)5