In this question , we have to find positive and negative square roots of

Square root always occurs in pair, one is positive and other is negative.
And square root of 121 is 11 and square root of 4900 is 70.
Therefore square roots of

are

Answer:
the answer is the 3rd option. Hope it helped :)
The answer to this question would be 152,000
In this question, you are given multiple number names and asked to add it. To answer this question, it will be easier to split the sentences into multiple parts like this:
<span>1. "14 ten thousands" mean 14 * 10,000 =140,000
</span><span>2. "12 thousands" mean 12 * 1,000= 12,000
Then, if you add them up it will be: 140,000+ 12,000= 152,000</span>