Question

Give the number of significant figures:- (e) 0.050 (f) 2.653 xx 10^(4) (g) 6.02 xx 10^(23) (h) 0.0006032

Answer 1

Answer:

(e): 2

(f): 4

(g): 3

(h): 4

Explanation:

To find the number of significant figures in decimal values:

count the number of significant figures from non zero digit to the last digit

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Answer 2

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 .