Question

how many significant figures are present in 208​

Answer 1

Explanation:

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Concept :

1. all non - zero digits are significant .

2. zeros present to left /right of a number are non - significant however zero present after decimal points are significant .

3. zeros present between two non - zero digits are significant .

(i) 0.0025

according to rule 2 , there are 2 significant figure in 0.0025.

(ii) 208

according to rule 1 and 3 , there are 3 significant figures in 208.

(iii)5005

according to rule 1 and 3, there are 4 significant figures in 5005.

(iv) 126000

according to rule 2,there are 3 significant figures in 126000.

(v) 500.0

according to rule 2 , there are 4 significant figures in 500.0

(vi) 2.0034

according to rule 2, there are 5 significant figures in 2.0034

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Answer 2

heyy mate ...!!!

according to rule 1 and 3 , there are 3 significant figures in 208. according to rule 1 and 3, there are 4 significant figures in 5005. according to rule 2,there are 3 significant figures in 126000.

thanks..!!