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What is the value of (2^8-2^4)?
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Answer and explanation
Correct answer: 240
Here, \(2^8=256\) and \(2^4=16\). Therefore, \(2^8-2^4=256-16=240\), so 240 is the correct option. An answer such as 250 can result from an error in subtraction. Exam tip: evaluate each power separately before subtracting.
Frequently asked questions
What is the correct answer to this question?
240
Why is this the correct answer?
Here, \(2^8=256\) and \(2^4=16\). Therefore, \(2^8-2^4=256-16=240\), so 240 is the correct option. An answer such as 250 can result from an error in subtraction. Exam tip: evaluate each power separately before subtracting.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Exponents.
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