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1.- Convert 1 m to mm
1 m ------------------ 100 cm 10 mm ------ 1 cm
there are 10 x 100 = 1000 mm in a meter
2.- Convert 35 cm into mm
10 mm -------------- 1 cm
x -------------- 35 cm
x = (35 x 10) / 1
x = 350 mm
3.- Total = 1000 + 350 = 1350 mm
The answer is H. 1350 mm