Middle School

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------------------------------------------------ Perform the following conversions.

a. 0.074 km to m

b. 24,600 μg to g

c. [tex]4.9 \times 10^7 \, \mu g[/tex] to kg

d. 84 dm to mm

Answer :

Answer:-

A.

we know that, 1km=1000m

  • 0.074km=0.74×1000/1
  • 0.074km=74m.

B.

we know that, 1000000μg=1g

  • 24,600μg=24600×1/1000000
  • 24,600μg=0.0246g

C.

we know that, 1000000000μg=1kg

  • 4.9 ×10^7 μg=4.9×10000000×1/1000000000
  • 4.9×10^7μg=49000000×1/1000000000
  • 4.9 × 107 μg=0.49Kg.

D.

we know that ,100mm=1dm

  • 84dm=84×100
  • 84dm=8400mm

[tex]\sf{ }[/tex]

Answer:

a. 74 km

b. .0246g

c. = .049 kg

d. 8400mm

Explanation:

a. 0.074 km to m

1000 meters is 1 km

.074 km* 1000m /1 km = 74 km

b. 24,600 μg to g

10^6 ug is 1 gram

24600 ug * 1 g/ 1000000 ug = .0246g

c. 4.9 × 10^7 μg to kg

4.9 × 10^7 μg* 1 g/ 1000000 ug * 1kg/1000g = .049kg

d. 84 dm to mm

84 dm * 100 mm/ 1dm = 8400mm

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