Chapter 1 - Measurement and Problem Solving - Learning Path Questions and Exercises - Exercises - Page 30: 44

$a). 1.0\,m$ $b). 8.0\,cm$ $c). 16\,kg$ $d). 0.015\, micro-second$

a). 1.007 m an be expressed as 1.0 m after rounding off to 2 significant figures. b). 8.03 cm can be expressed as 8.0 cm after rounding off to 2 significant figures. c). 16.272 kg can be rounded off to 16 kg, d) 0.015 micro-second is already with 2 significant figures.