Chapter 2 - Section 2.3 - Significant Figures in Calculations - Study Check 2.3 - Page 31: 1

a) 36m b) 0.0026 c) 3.8$\times10^3$g

a) All numbers are significant, so round to first two significant figures. b) Zeros to the left of the first non-zero number are not significant. Keep the first two non zero numbers. c) All of the numbers in the coefficients are significant. Keep the first two numbers.