Sure, let's write the opposites of the given quantities step-by-step.
a. 300 ft above sea level
The opposite of being 300 feet above sea level is being 300 feet below sea level. Therefore, the opposite is:
[tex]\[
-300 \, \text{ft}
\][/tex]
b. A loss of ₹1889
A loss is generally indicated by a negative sign, so the opposite of a loss of ₹1889 would be a gain of ₹1889. Therefore, the opposite is:
[tex]\[
1889 \, \text{₹}
\][/tex]
c. A score of 18 points
The opposite of a score of 18 points would be a score of -18 points. Therefore, the opposite is:
[tex]\[
-18 \, \text{points}
\][/tex]
So the opposites are:
a. [tex]\(-300 \, \text{ft}\)[/tex]
b. [tex]\(1889 \, \text{₹}\)[/tex]
c. [tex]\(-18 \, \text{points}\)[/tex]
