Question

1.How many significant figures are there in the following quantities ?
a.10.163
b.1. 67×10-17
c.0.270
d.1.496
e.15000
f.2. 4300
g.0.001040


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Answer 1

Answer:

a.5

b.3

c.4

d.4

e.2

f.3

g.6

Answer 2

Answer:

a. 5

b. 3

c. 3

d. 4

e. 5

f. 5

g. 4

Explanation:

The trick is to neglect the decimal point. The zeroes before the first natural number in the resulting number are neglected, while the zeroes after the last natural number in the resulting number are counted.