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A wooden board in the shape of a rectangular prism measures 0.3 mile by 2.1 miles by 0.1 mile and has a mass of 0.07 kilogram. What is the density of the board? Enter your answer as a decimal in the box. Round only your final answer to the nearest tenth.

Respuesta :

carlosego
The definition of density is given by:
 D = m / V
 Where,
 m: mass
 V: volume
 The volume of the rectangular prism is given by:
 V = (0.3) * (2.1) * (0.1)
 V = 0.063 mi ^ 3
 Substituting the values:
 D = 0.07 / 0.063
 D = 1.111111111 Kg / mi ^ 3
 Round to the nearest tenth:
 D = 1.1 Kg / mi ^ 3
 Answer:
 the density of the board is:
 D = 1.1 Kg / mi ^ 3

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