# Multiplication and Division of Units of Measurement

We will learn how to multiply and divide of units of measurement.

We carry out multiplication and division of measurements as we do for decimal numbers:

1. Multiply 12 km 56 m by 7.

Solution:

12 km 56 m = 12.056 m

Hence, 12.056 × 7 = 84.392 km

2. Multiply 44 dam 28 cm by 12

Solution:

28 cm = 0.28 m

1 dam = 10 m

28 cm = 0.028 dam

Hence, 44 dam 28 cm × 12 = 528.336

3. Multiply 15 g 16 mg by 25

Solution:

16 mg = $$\frac{16}{1000}$$ g

15 g 16 mg = 15.016 g

Hence, 15 g 16 mg × 25 = 375.4 g

4. Multiply 9 dℓ 72 mℓ by 6

Solution:

72 mℓ = $$\frac{72}{100}$$ dℓ = 0.72 dℓ

9 dℓ 72 mℓ = 9.72 dℓ

Hence, 9.72 dℓ × 6 = 58.32 dℓ

5. Divide 132 ℓ 64 dℓ by 8

Solution:

64 dℓ = 6.4 ℓ

132 ℓ 64 dℓ = 138.4 ℓ

Hence, 138.4 ℓ ÷ 8 = 17.3 ℓ

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