a)

1 metr to 100 cm

$1\text{cm}=\frac{1}{100}\text{m}$  

 

$5\text{cm}=\frac{5}{100}\text{m}$  

 

$16\text{cm}=\frac{16}{100}\text{m}$  

 

b)

1 metr to 10 decymetrów.

$1\text{dm}=\frac{1}{10}\text{m}$  

 

$3\text{dm}=\frac{3}{10}\text{m}$  

 

$12\text{dm}=\frac{12}{10}\text{m}=1\frac{2}{10}\text{m}$  

 

d)

1 metr to 1000 milimetrów

$1\text{mm}=\frac{1}{1000}\text{m}$  

 

$17\text{mm}=\frac{17}{1000}\text{m}$  

 

$354\text{mm}=\frac{354}{1000}\text{m}$