First Name ______________________ Last Name _____________________ Per. _________
Quiz: Significant Figures
This is an open-book/open-note quiz.
Round these numbers to 1 significant figure:
Original number
Rounded to 1 significant figure
1) 584
2) 0.823
Round these numbers to 2 significant figures:
Original number
Rounded to 2 significant figures
3) 1472
4) 0.491
Calculate the answers to the appropriate number of significant figures.
5)
6) 482.9 x 6 = ___________
7) 1304.620 x 2.75 = ___________
Circle the best answer:
8) The number of digits in a value or measurement, that contribute to the degree of accuracy are called
a) precision
b) rounding
c) significant figures
9) Should “trapped zeros” be considered significant?
a) always
b) never
c) sometimes
10) Should “leading zeros” be considered significant?
a) always
b) never
c) sometimes