Perform the following mathematical operation, and
report the answer to the
appropriate number of
significant figures.
11.65498 + 156.325 = [?]

167.980.

Explanation:

Hello!

In this case, since additions involving the display of the result with the appropriate number of significant figures involve the solution of the system without looking at them:

Considering that 156.325 is significant to the thousandths and 11.65498 to the hundred thousandths, we infer that the result should be taken to the thousandths as well as 156.325; thus, we obtain:

Because the second decimal nine is rounded to ten and therefore the 7 is taken to 8.

Best regards!

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.