Question

Express the following numbers to four significant figures
(i) 5.607982
(ii) 32.392800
(iii) `1.78986xx10^(3)`
(iv) 0.007837.

Answer 1

(i) `5.607982=5.608`
(ii) `32.392800 = 32.39`
(iii) `1.78986 xx10^(3) = 1.790 xx 10^(3)`
(iv) `0.007837 = 0.007837`.