B, 7.8 & 7.9; Since the square root of 61 is 7.81024, then that means it would lie just above 7.8 in the number line.
The √61 lie between 7.8 and 7.9
The square root of a number is the factor that we can multiply by itself to get that number.
Now,
√61 = 7.81
lie between 7.8 and 7.9
Hence, √61 lie between 7.8 and 7.9
To know more about square root here :
https://brainly.com/question/9664917
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