Marco is measuring two pieces of strings. One piece of string is 15 cm long. The other string is 250 mm long. In centimeters, ho
w long are the pieces of strings together?
1 answer:
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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