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Real Numbers

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1. The sum of exponents of prime factors in the prime-factorisation of 196 is: Options (a) 3 (b) 4 (c) 5 (d) 2

1. The sum of exponents of prime factors in the prime-factorisation of 196 is: Options (a) 3 (b) 4 (...

Ans. (b) Explanation: Prime factorization is the method of representing a number as the multiplication of its prime factors. A number qualifies as prime if it possesses solely two factors , 1 and the number itself.Here's a breakdown of the sequential procedure for identifying the prime factors in the prime factorization of 196: Prime factors of 196 = 22 × 72 ‍So, sum of exponents = 2+2=4

Can real numbers be negative?

Ans: Yes, real numbers can be negative. They include negative rational numbers (e.g., -1/2, -3/4) and negative irrational numbers (e.g., -√2, -π).

What is the decimal representation of a real number?

Ans: The decimal representation of a real number is the representation of that number using decimal digits. It can be terminating (ends) or non-terminating (repeating or non-repeating).

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Mathematics

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