Answer:
80 cm
Explanation:
So your gonna convert 500 mm to centimeters by dividing it by 10. 500/10= 50 once you get your answer you'll do 30+50=80 cm.
To find the length of both segments together, convert the lengths into one unit measure. Convert 500 mm into centimeters by dividing it by 10. 500/10 = 50 cm. Now add 30 + 50 = 80 cm. The segment is 80 cm long.
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