Which pair of measurements is not equivalent?

2.5 km, 2,500 m
750 mm, 7.5 cm
3 m, 3,000 mm
120 cm, 1.2 m

750 mm, 7.5 cm

Step-by-step explanation:

Verify each case

case a) 2.5 km, 2,500 m

we know that

1 km > 1.000 m

so

2.5 km=2,500 m

therefore

The pair of measurements is equivalent

case b) 750 mm, 7.5 cm

we know that

1 cm > 10 mm m

so

7.5 cm=75 mm

therefore

The pair of measurements is not equivalent

case c) 3 m, 3,000 mm

we know that

1 m > 1.000 mm

so

3 m=3,000 mm

therefore

The pair of measurements is equivalent

case d) 120 cm, 1.2 m

we know that

1 m > 100 cm

so

1.2 m=120 cm

therefore

The pair of measurements is equivalent

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step-by-step explanation:

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