Question

Find the number of significant figures in the following numbers.i. 25.42 ii. 0.004567iii. 35.320 iv. 91.000

Answer 1

HEY MATE

HERE IS UR ANS

1) 4 SIGNIFICANT FIGURES

2)6

3)4

4)2

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Answer 2

For the expression of a measured and calculated quantity, the number of digits is used. This is known as a significant figure.

The number of significant figures in the following numbers is:

1). 25.42

25.42 have 4 significant figures.

All the non-zero digits are significant.

2). 0.004567

0.004567 have 4 significant figures.

The leading zeros are insignificant.

3). 35.320

35.320 have 5 significant figures.

The trailing zeros after the decimal are significant.

4). 91.000

91.000 have 5 significant figures.

The trailing zeros after the decimal are significant.