Question

Express the product of 2.2 mm and 5.00 mm using the correct number of significant digits. (1 point)10 mm2
11 mm2
11.0 mm2
11.00 mm2

i think i know it but what do you think?

Answer 1

the product will have the same number of sig figs as the least accurate number, aka the number with the lowest sig figs. Out of 2.2 and 5.00, 2.2 has the lowest number of sig figs, 2, so the answer can have only two sig figs