Question

Solve the problem, and answer with the correct number of significant figures:

(4.3 mm) (22.1 mm) (0.0021 mm)

a. 0.2mm³
b. 0.199mm³
c. 0.20mm³
d. 0.1995mm³

Answer 1

C

Explanation:

choose number which has low significant numbers

at first u got a long number right?

but then u need to round off to the lowest sig figs,, which is 2 sig figs

4.3 has 2 sig figs

22.1 has 3 sig figs

0.0021 has 2 sig figs

therefore u can see that the lowest sig figs is 2