Answer:
18 mm < 7 cm < 3 dm < 1m
Step-by-step explanation:
It has been given the lengths
7 cm, 18 mm, 1 m, 3 dm
Let us convert all these lengths in centimeter.
1 m = 100 cm
1 mm = 0.1 cm
1 dm = 10 cm
Thus, we have
18 mm = 1.8 cm
3 dm = 30 cm
1 m = 100 cm
Thus, we can arrange this in increasing order as
1.8 < 7 < 30 < 100
Hence, we have
18 mm < 7 cm < 3 dm < 1m
The arrangement of the measurements given in ascending order is : 18 mm ; 7 cm ; 3 dm ; 1m
Given the following measurement :
7cm, 18 mm, 1m and 3dm
To proceed, we need to convert each measurement to the same unit :
Converting each unit to centimeter, cm :
18 mm < 7 cm < 3 dm < 1m
Recall :
1 m = 100 cm
1 dm = 10 cm
1 mm = 0.1 cm
Converting each :
7cm = 7cm
18 mm = (18 × 0.1)cm = 1.8cm
3 dm = (3 × 10cm) = 30 cm
1m = (1 × 100cm) = 10cm
The measurements in centimeters :
7cm, 1.8cm, 30cm, 10cm
Arranging in ascending or increasing order :
1.8cm < 7 cm < 30cm < 100cm
Thus :
18 mm ; 7 cm ; 3 dm ; 1m
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