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What is the value of (10^3-400)?
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Answer and explanation
Correct answer: 600
Here, \(10^3 = 10 \times 10 \times 10 = 1000\). Therefore, \(1000 - 400 = 600\), so option D is correct. The value 700 would result from subtracting only 300 from 1000. Exam tip: evaluate the exponent first, then perform addition or subtraction.
Frequently asked questions
What is the correct answer to this question?
600
Why is this the correct answer?
Here, \(10^3 = 10 \times 10 \times 10 = 1000\). Therefore, \(1000 - 400 = 600\), so option D is correct. The value 700 would result from subtracting only 300 from 1000. Exam tip: evaluate the exponent first, then perform addition or subtraction.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Exponents.
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