Respuesta :

Answer:

a) 87 l and 305 ml

b) 21087 m

Step-by-step explanation:

a) solution

1000 ml = 1 l

87000 ml = 87 l

Ans = 87 l and 305 ml

b) solution

1 km = 1000 m

21 km = 21000 m

21000 + 87

= 21087 m

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