Which of these statements is true regarding the roles of significant figures in calculations and measurement? O When performing any arithmetic on measurements, your final result should definitely take the significant figures of any constants Into account, for example the "1/2 in "KE - 1/2 my2 O When adding and subtracting measurements, your your final result should contain as many significant figures as your measurement with the greatest number of significant figures. The smaller a measurement is, the less precise that measuring tool is. O When multiplying or dividing measurements, your final result should contain as many significant figures as your measurement with the fewest number of significant figures.