Write the Roman numeral for the following.

$272$

Write the Roman numeral $\mathrm{LXXXIII}$ as Hindu-Arabic number.

Write the following Roman numeral as Hindu-Arabic number.

$\mathrm{XCV}$

Write the following Roman numerals as the Hindu-Arabic number.

$\mathrm{CDLXV}$

Write the following Roman numeral as Hindu-Arabic number.

$\mathrm{MDCLIV}$

Write the following Roman numeral as Hindu-Arabic number.

$\mathrm{CCXLIX}$

Classify the following numbers as meaningful or meaningless.

$\mathrm{LVII}$

Classify the following number as meaningful or meaningless.

$\mathrm{VXVIII}$

Classify the following number as meaningful or meaningless.

$\mathrm{CLXXXX}$