Answer:
2, 5
Explanation:
Name two other useful products obtained from petroleum that are not used as fuels.
1 answer:
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Answer:
167.980.
Explanation:
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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.
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