accurate Explain how you made your choice Weight mg 10 1 10 23 10 Student Brad Brandon Meagan Answer most 7 You and a friend are talking and he wants to know how many significant figures there are in the number 0 012012 How would you explain to your friend how many significant figures there are in the number Answer 8 Given 1 in 2 54 cm and 1 cm 10 mm how many millimeters are present in 20 0 inches Use dimensional unit analysis to find your answer Answer