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Question

Answers

1) $9$

2) $2$

3) $4$

4) $11$

Answer
Verified

The numbers \[1\] to \[10\] are usually expressed in Roman numerals as follows: \[{\mathbf{I}},{\text{ }}{\mathbf{II}},{\text{ }}{\mathbf{III}},{\text{ }}{\mathbf{IV}},{\text{ }}{\mathbf{V}},{\text{ }}{\mathbf{VI}},{\text{ }}{\mathbf{VII}},{\text{ }}{\mathbf{VIII}},{\text{ }}{\mathbf{IX}},{\text{ }}{\mathbf{X}}\].

We need to write the numbers \[9,2,4,11\] using Roman numerals.

The number \[9\] is written \[IX\] using Roman Numerals

The number \[2\] is written \[II\] using Roman Numerals

The number\[4\] is written \[IV\] using Roman Numerals

The number \[11\] is written as \[10 + 1\] so \[XI\] using Roman Numerals (As \[10\] is written as \[X\,\&\, 1\] is written as \[I\])

Thus, the numbers are written using Roman numerals as

\[(1)\,9 ={IX}\]

\[(2)\,2 ={II}\]

\[(4 )\,4 ={IV}\]

\[(5)\,11 ={XI}\]