संख्या 1890 का सही अभाज्य गुणनखंडन क्या है?

What is the correct prime factorisation of 1890?

Explanation opens after your attempt
Correct Answer

A. \(2\times3^3\times5\times7\)

Step 1

Concept

Write \(1890=27\times70\).

Step 2

Why this answer is correct

\(27=3^3\) and \(70=2\times5\times7\), so \(1890=2\times3^3\times5\times7\).

Step 3

Exam Tip

Change 27 into \(3^3\). चरण 1: \(1890=27\times70\) लिखें। चरण 2: \(27=3^3\) और \(70=2\times5\times7\), इसलिए \(1890=2\times3^3\times5\times7\)। चरण 3: 27 को \(3^3\) में बदलें।

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संख्या 1890 का सही अभाज्य गुणनखंडन क्या है? / What is the correct prime factorisation of 1890?

Correct Answer: A. \(2\times3^3\times5\times7\). Explanation: चरण 1: \(1890=27\times70\) लिखें। चरण 2: \(27=3^3\) और \(70=2\times5\times7\), इसलिए \(1890=2\times3^3\times5\times7\)। चरण 3: 27 को \(3^3\) में बदलें। / Step 1: Write \(1890=27\times70\). Step 2: \(27=3^3\) and \(70=2\times5\times7\), so \(1890=2\times3^3\times5\times7\). Step 3: Change 27 into \(3^3\).

Which concept should I revise for this Mathematics MCQ?

Write \(1890=27\times70\).

What exam hint can help solve this Mathematics question?

Change 27 into \(3^3\). चरण 1: \(1890=27\times70\) लिखें। चरण 2: \(27=3^3\) और \(70=2\times5\times7\), इसलिए \(1890=2\times3^3\times5\times7\)। चरण 3: 27 को \(3^3\) में बदलें।