Answer
a) 4 significant figures
b) 2 significant figures
c) 5 significant figures
d) 2 significant figures
e) 3 significant figures
f) 1 significant figures
g) 1 significant figures
h) 2 significant figures
Work Step by Step
a) 4867 mi - 4,8,6,7 are significant
b) 56 mL - 5 and 6 are significant
c) 60,104 tons - 6,1, and 4 are significant the zeros are inbetween of significant numbers so they're significant
d) 2900 g - 2 and 9 are significant
e) 40.2 g/cm³ - 4 and 2 are significant the zero is in between of signicant numbers so it's significant
f) 0.0000003 cm - 3 is significant
g) 0.7 min - 7 is significant
h) 4.6x10^{19} atoms - 4 and 6 are significant