How many significant figures are shown in each of the following. If it is indeterminate, explain why.?

Question

a) 450

b) 98.6

c) 0.0033

d) 902.10

e) 0.02173

f) 7000

g) 7.02

h) 67,000,000

Answer 1

a) 2 (if there is a point at the end of 450 (like this - 450.- then there  r  3 sig. figs.)

b) 3

c) 2

d) 5

e) 4

f) 1 (or 4 - same explanation as in (a))

g) 3

h) 2 (or 8- as explained in a) and f))