Significant Figure Worksheet Name(s) ___________________
1. How many significant figures are in each of the following numbers? Place your answer in the
box provided.
1.234
1234
1.2340
12340
1.234 x 10-3
0.012340
1.2340 x 10-3
10.0
3.14159
3.1416
2. Complete the following arithmetic operations and express the answer with the correct number
of significant figures. Place your answer in the box provided.
1.421+ 0.4372 =
1.0123 - 0.002 =
0.0241 + 0.11 =
123.69 - 20.1 =
0.14 + 1.2243 =
47.2 - 0.01 =
760.0 + 0.011 =
1.234 + 0.6125 =
273.15 + 32.1 =
1.00 - .01 =
3. Perform the following operations and express the answers with the correct number of
significant figures. Place your answer in the box provided.
42.3 x 2.61 =
6.450 x 1.010 =
0.61 x 42.1 =
(1.23)(3.467)/3.96 =
46.1 / 1.21 =
1.23/(3.467/3.96) =
23.2 / 4.1 =
1010 x 3001 =
25.7x8.6 =
1.80(25.3) =
