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The following approximate numbers are not rounded off. Round them off correctly.

a) 195.259 +/- 0.03
b)0.014 625 +/- 0.0001
c)24.603197 +/- 0.02
d) 5216.942 +/- 4

e) 6 395126.4 +/- 200
f) 216.452 +/- 0.3
G) 0.000 0004 39 +/- 0.000 0004



Write 3 numbers with their their uncertainty correctly rounded off:

a) 0.031 59 +/- 0.000 274
b)2 594 615 +/- 42 724
c) 62.22 +/- 13.9
d) 2.6025 +/- 0.03149

*( Round uncertainty to 1 sig fig. then round off number)


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