Answer:
18900 litros
Step-by-step explanation:
1m = 10dm
5m = 5*10 = 50dm
entonces el volumen de la piscina es:
v = 50dm * 21dm * 18dm = 18900dm³
Sabemos que:
1 dm³ = 1 litro
entonces
18900m³ = 18900 litros
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