1. Consider the uncertainty in the measured value of () to be given by .
Taking the one decimal place of as the least significant digit in , how many significant figures are indicated for each of the measurement of ''.
(a) For Aluminium, we have
exp = 2764 kg/m3 = 2.764 x 103 kg/m3 ; Significant figure = 4
= 167 kg/m3 = 1.67 x 102 kg/m3 ; Significant figure = 3
known = 2700 kg/m3 = 2.70 x 103 kg/m3 ; Significant figure = 2
(b) For Brass, we have
exp = 8387 kg/m3 = 8.387 x 103 kg/m3 ; Significant figure = 4
= 86 kg/m3 = 8.6 x 101 kg/m3 ; Significant figure = 2
known = 8400 kg/m3 = 8.4 x 103 kg/m3 ; Significant figure = 2
(c) For Iron, we have
exp = 7937 kg/m3 = 7.937 x 103 kg/m3 ; Significant figure = 4
= 22 kg/m3 = 2.2 x 101 kg/m3 ; Significant figure = 2
known = 7850 kg/m3 = 7.85 x 103 kg/m3 ; Significant figure = 3
Using the tables answer the question 1, (under questions) Mass Data and Calculations Table Aluminum Brass...