Q. Round the following to three significant figures: 134512
Identify Significant Figures: Identify the first three significant figures in the number 134512. First three significant figures: 1, 3, 4
Check Next Digit: Look at the digit after the third significant figure (4\text{th} digit). 4\text{th} digit: 5
Round Up to Three Significant Figures: Since the 4th digit is 5, round up the third significant figure. 134512 rounded to three significant figures: 135000