Question

Round off each number to the indicated number of significant figures (sf)

Answer 1

Answer:

(a) $2.316x10^2$ or $231.6$

(b) $8.5x10^{-3}$

(c) $1.4x10^2$

Explanation:

Hello,

In this case, we must remember that we round numbers if the next number is equal or greater than 5 and that left-sided zeros are not included in the final result, in such a way:

(a) $2.316x10^2$ or $231.6$

(b) $8.5x10^{-3}$

(c) $1.4x10^2$

Best regards.

Answer 2

Answer:

The answer is B

Explanation: