Question

1. convertir 23-7\ en mm (arrondir au mm près) :
2. nb pouces = 23 x 12 + 7\ = 276\ + 7\ = 283\
3. nb de mm = 283\ x 25,4 = 7 188

Explanation:

Step1: Convert feet to inches

$23' \times 12 = 276''$

Step2: Total inches calculation

$276'' + 7'' = 283''$

Step3: Inches to millimeters conversion

$283 \times 25.4 = 7188.2$

Step4: Round to nearest mm

Round $7188.2$ to whole number

Answer:

7188 mm