Question

State the number of significant figures in the following measurements : (i) 0.009 m^(2) " " (ii) 5.049 N m^(-2) " " (iii) 0.1890 g cm^(-3) " " (iv) 1.90 xx 10^(11) kg " " (v) 0.020800 m " " (vi) 5.308 J

Answer 1

Explanation:

1-- 1 significant figure

2-- 4 Sig. fig.

3- 4 sig. fig.

4 -- 3 " "

5 -- 5 " "

6 -- 4 " "

Answer 2

The term significant figures refers to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation .

The number of significant figures in an expression indicates the confidence or precision with which an engineer or scientist states a quantity.

1. 1
2. 4
3. 4
4. 3
5. 5
6. 4

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