Question

write the rules for determining significant figures

Answer 1

(1) All the non-zero digits are significant .eg. 23.68
(2) All zeros between non zero digits are significant.eg 200.09.
(3) All zeros to the right of a non zero digits, having no decimal point are not significant.eg 86500.
(4) All zeros to the right of decimal are significant.eg 56.00

Answer 2

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Question

What is significant figure. write rule to determine the significant figure

Answer

(i) All non-zero digits are significant

(ii) All zeros between two non-zero digits are significant

(iii) All zeros to the right of a non-zero digit but to the left of a decimal point are significant.

(iv) a) The number without a decimal point, the terminal or trailing zero(s) are not significant.

b) All zeros are significant if they come from a measurement

(v)If the number is less than 1, the zero (s) on the right of the decimal point but to left of the first non-zero digit are not significant.

(vi) All zeros to the right of a decimal point and to the right of non-zero digit are significant.

(vii) The number of significant figures does not depend on the system of units used.

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