यदि \(r=10^{2}\cdot10^{-5}\cdot10^{4}\), तो (r) का मान क्या है?

If \(r=10^{2}\cdot10^{-5}\cdot10^{4}\), what is the value of (r)?

Explanation opens after your attempt
Correct Answer

A. (10)

Step 1

Concept

For the same base (10), the exponent is (2-5+4=1), so \(r=10^{1}=10\). In exams, add exponents during multiplication.

Step 2

Why this answer is correct

The correct answer is A. (10). For the same base (10), the exponent is (2-5+4=1), so \(r=10^{1}=10\). In exams, add exponents during multiplication.

Step 3

Exam Tip

समान आधार (10) की घातें (2-5+4=1) हैं, इसलिए \(r=10^{1}=10\)। परीक्षा में गुणा में घातों को जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(r=10^{2}\cdot10^{-5}\cdot10^{4}\), तो (r) का मान क्या है? / If \(r=10^{2}\cdot10^{-5}\cdot10^{4}\), what is the value of (r)?

Correct Answer: A. (10). Explanation: समान आधार (10) की घातें (2-5+4=1) हैं, इसलिए \(r=10^{1}=10\)। परीक्षा में गुणा में घातों को जोड़ें। / For the same base (10), the exponent is (2-5+4=1), so \(r=10^{1}=10\). In exams, add exponents during multiplication.

Which concept should I revise for this Mathematics MCQ?

For the same base (10), the exponent is (2-5+4=1), so \(r=10^{1}=10\). In exams, add exponents during multiplication.

What exam hint can help solve this Mathematics question?

समान आधार (10) की घातें (2-5+4=1) हैं, इसलिए \(r=10^{1}=10\)। परीक्षा में गुणा में घातों को जोड़ें।