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If (x=2^8\times5^3\times11) and (y=2^4\times3^2\times5^5), what will be the power of 5 in (xy)?
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Answer and explanation
Correct answer: 8
Step 1: Powers with the same base 5 are added in multiplication. Step 2: The power of 5 in (x) is 3 and in (y) is 5. Step 3: The total power will be (3+5=8).
Frequently asked questions
What is the correct answer to this question?
8
Why is this the correct answer?
Step 1: Powers with the same base 5 are added in multiplication. Step 2: The power of 5 in (x) is 3 and in (y) is 5. Step 3: The total power will be (3+5=8).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Prime Factorisation.
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