Chapter 1 - Measurement and Problem Solving - Learning Path Questions and Exercises - Exercises - Page 30: 45

$a). 96$ $b). 0.0021$ $c). 94 \times 10^{2}$ $d). 0.00034$

a). 95.61 can be rounded off to 96 with 2 significant figures. b). 0.00208 can be rounded off to 0.0021 with 2 significant figures. c). 9438 can be rounded off to $94 \times 10^{2}$ with 2 significant figures. d). 0.000344 can be rounded off to 0.00034 , as zeros in front do not have any significance.