ashangari ashangari

10-01-2020
Mathematics

contestada

How much does a glass cube with a side of 5-cm weigh if 1cm of glass weighs 2 2/5 grams?

Respuesta :

sqdancefan sqdancefan

10-01-2020

Answer:

300 grams

Step-by-step explanation:

The volume of the glass cube is ...

V = s³ = (5 cm)³ = 125 cm³

This is 125 times the volume of a 1-cm cube, so the weight is 125 times as much:

125 × (2 2/5 g) = 300 g

The glass cube weighs 300 grams.

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