If someone is 169cm tall, What is the most common way of saying their height in metres and centimetres in American/Australian/British English?
1) 169cm; 169cm.; 169 cm.
2) 1.69m; 1.69m.; 1.69 m.
3) 1m.69; 1m. 69
4) 1m.69cm; 1m. 69cm