Question

Indicate the following using
+ or - sign
30°c below 0°c​

Answer 1

Answer:

-30°C

Step-by-step explanation:

The numbers below 0° are marked a negetive.

Answer 2

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-30°C

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$\color{Purple}{\large\underline{\underline\mathtt{Additional \ imformation↓↓↓}}}$

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1. In above question it's given to either insert plus(+) or minus(-) sign.
2. As it's written in the statement that "below" and below represent a negative word.
3. Now for negative we use minus(-).
4. Hence it will be -30°C.

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What are integers?

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⠀⠀⠀⠀⠀⠀All natural numbers and negative numbers including zero (0) is known as integers.

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What are natural numbers?

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⠀⠀⠀⠀⠀All number that are natural in number system i.e., from 1 to infinity are known as natural numbers.

These numbers do not include zero(0).

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Hope it was helpful.....

Thanks for asking....☺❤