Consider a building with $20$ stairs above ground level and $20$ stairs below ground level. Considering the ground level as zero, if you are standing at the $6^{th}$ step below the ground level, how will you represent it?

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Solution

Assume the stairs to be a number line and ground level as zero.
The stairs above ground level are considered positive and the stairs below the ground level are considered negative.
So, if you are standing at the $6^{th}$ step below the ground, it can be represented as $- 6$ .

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Consider a building with 20 stairs above ground level and 20 stairs below ground level. Considering the ground level as zero, if you are standing at the 6th step below the ground level, how will you represent it?​

Assume the stairs to be a number line and ground level as zero. ​ The stairs above ground level are considered positive and the stairs below the ground level are considered negative. ​ So, if you are standing at the 6th step below the ground, it can be represented as −6.​

Consider a building with $20$ stairs above ground level and $20$ stairs below ground level. Considering the ground level as zero, if you are standing at the $6^{th}$ step below the ground level, how will you represent it?

Assume the stairs to be a number line and ground level as zero.
The stairs above ground level are considered positive and the stairs below the ground level are considered negative.
So, if you are standing at the $6^{th}$ step below the ground, it can be represented as $- 6$ .