Question

Questions 2 what do you mean by significant figure ?state the rules for deciding significant .

Answer 1

Answer:

Significant figures are the digits in a measured quantitiy about which we have confidence in our measutement plus, an additional digit that is uncertain.

The rules are as follows:

• All non-zero integers are significant.
• Training Zeros are significant.

{ 12.000 ==> the zeroes hrre are training zeroes}

• All zeroes b/w non-zero integers are significant.
• All the digits are significant if they come from a measurement.
• All zeroes to the right of a non-zero integer but to the left of a decimal point are significant.
• All zeroes to the right of a decimal point but to the left of a non-zero digit are not significant.

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Hope you understood...!

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Answer 2

Explanation:

The number of significant figures in a given data is the number of all certain digits plus one uncertain digit. For example, 3.015 has four significant figures.

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