Question

a solid rectangular piece of iron measures 105cm × 70cm × 1.5cm. find the weight of this piece in kilograms if 1cm³ of iron weighs 8 grams

Answer 1

Answer:

88.2 kg

Step-by-step explanation:

Volume of the piece=LBH

$105 \times 70 \times 1.5 \\ = 11025cm ^{3}$

mass in gram

$= 11025 \times 8 \\ = 88200g$

Mass of the piece in kh

$= 88200 \div 1000 \\ = 88.2 \: kg$

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