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Chapter 6: Problem 8

Use the conversion tables or formulas on the inside back cover of the textbook for conversion equivalencies. The average weight of a mature human brain is approximately 1400 grams. What is the equivalent weight in kilograms? In pounds?

Short Answer

Expert verified
Answer: The weight of a mature human brain is approximately 1.4 kilograms and 3.086 pounds.

Step by step solution

01

Convert grams to kilograms

To convert grams (g) to kilograms (kg), use the following conversion factor: 1 kg = 1000 g. Divide the weight in grams by 1000 to find the equivalent weight in kilograms.
02

Calculate the weight in kilograms

Given the weight of the brain is 1400 g, divide 1400 g by 1000 (since 1 kg = 1000 g) to get the equivalent weight in kilograms: \(1400\, g * \frac{1\, kg}{1000\, g}\) = 1.4 kg.
03

Convert grams to pounds

To convert grams (g) to pounds (lb), use the following conversion factor: 1 lb = 453.592 g. Divide the weight in grams by 453.592 to find the equivalent weight in pounds.
04

Calculate the weight in pounds

Given the weight of the brain is 1400 g, divide 1400 g by 453.592 (since 1 lb = 453.592 g) to get the equivalent weight in pounds: \(1400\, g * \frac{1\, lb}{453.592\, g}\) 鈮� 3.086 lb. The weight of a mature human brain is approximately 1.4 kilograms and 3.086 pounds.

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