Ahmad bought a bag. The length of the bag is 42 centimeters. What is length of the bag in millimeters?

Ahmad bought a bag. The length of the bag is 42 centimeters. What is length of the bag in millimeters?

Explanation

To convert centimeters to millimeters, multiply by 10 (since 1 cm = 10 mm).

So, 42cm × 10 = 420 mm.