What is the value of (47^2-1209)?
Answer and explanation
Correct answer: 1000
First calculate the square: 47^2 = 47 × 47 = 2209. Then, 2209 − 1209 = 1000, so option B is correct. In such questions, evaluate the exponent before performing subtraction.
Frequently asked questions
What is the correct answer to this question?
1000
Why is this the correct answer?
First calculate the square: 47^2 = 47 × 47 = 2209. Then, 2209 − 1209 = 1000, so option B is correct. In such questions, evaluate the exponent before performing 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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