Final answer:
To convert 7.4 centimeters to millimeters, multiply by 10. Therefore, 7.4 cm = 74 mm.
Step-by-step explanation:
To convert centimeters to millimeters, we need to know that there are 10 millimeters in 1 centimeter. Therefore, to convert 7.4 centimeters to millimeters, we can multiply 7.4 by 10.
7.4 cm * 10 = 74 mm.
So, 7.4 cm is equal to 74 mm.
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