Question

How many significant figures are there in the measurement 64,000 mg?

A. 2
B. 3
C. 4
D. 5

Answer 1

The answer is A because there is 2

Answer 2

for sig figs, you count the total number of numbers that aren’t 0, you only count 0 if they are after a decimal point. since there is not a decimal point, there are 2 significant figures, answer A