Question

what is the measurement 111.009 mm rounded off to four significant digits?

a. 111mm

b. 111.0 mm

c. 111.01mm

d. 110mm

Answer 1

B. sig figs starts with the intital value and moves over in accordance. until you meet the decimal point. everything on the left is vital. and counts one each, so it is 111.0 as 4 sig figs

Answer 2

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