Answered

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Marco is measuring two pieces of strings. One piece of string is 15 cm long. The other string is 250 mm long. In centimeters, how long are the pieces of strings together?​

Sagot :

Answer:

400 mm

Step-by-step explanation:

to convert cm to mm, you add a 0, or more specifically, multiply by 10. so, 15 × 10= 150. 250+150=400.

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