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3 years ago

Look at the two thermometers.

Chemistry

2 answers:

salantis [7]3 years ago

3 0

Answer:

Thermometer A, because it measures accurately to the tenths digit.

hichkok12 [17]3 years ago

3 0

Answer : The correct option is, Thermometer A, because it measures accurately to the tenths digit.

Explanation :

Accuracy : It is defined as the closeness of a measured value to a standard or known value.

For Example : If the mass of a substance is 50 kg and one person weighed 48 kg and another person weighed 55 kg. Then, the weight measured by first person is more accurate.

Precision : It is defined as the closeness of two or more measurements to each other.

For Example : If you weigh a given substance five times and you get 1.8 kg each time. Then the measurement is said to be precise.

The level of precision is determined by the maximum number of decimal places.

As we are given that the measurement of the temperature of a liquid at $41.4^oC$ .

From the given thermometer we conclude that, the thermometer A is more appropriate than the thermometer B because in thermometer A there are 10 divisions between the two temperature and the smallest division is, 0.1.

So, the temperature of liquid will be, $41.0^oC+0.4=41.4^oC$

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