Which is greater?

$1.008$ or $1.800$

Which is greater?

$1.52$ or $2.05$

Can you write $4 \mathrm{mm}$ in $\text{'}\mathrm{cm}\text{'}$ using decimals?

How will you write $7 \mathrm{cm} 5 \mathrm{mm}$ in $\text{'}\mathrm{cm}\text{'}$ using decimals?

How to write $52 \mathrm{m}$ as $\text{'}\mathrm{km}\text{'}$ using decimals? How to write $340 \mathrm{m}$ as $\text{'}\mathrm{km}\text{'}$ using decimals? How to write $2008 \mathrm{m}$ in $\text{'}\mathrm{km}\text{'}$?

Can you now write $456 \mathrm{g}$ as $\text{'}\mathrm{kg}\text{'}$ using decimals?