Question

Write the rules of determining significant figures​

Answer 1

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(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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Answer 2

Answer:

To determine the number of significant figure in a number use the following 3 rules.

• Non _ zero dihits are always significant.
• Any zeros between two significant digits are significant.
• A final zero or trailing zeros in the decimal portion only are significant.