Which value lies between 8 and 9 on a number line?
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The answer is root 70

Answer is : square root of 70.

Explanation:

Think about which square roots make 8 and 9

The square root of 64 makes 8

The square root of 81 makes 9

The square root of 70 is closer to the square root of 64 than the square root of 81

So the square root of 70 must be much closer to 8 than 9
And if you put the square root of 70 in your calculator you would see that
it is true. It is approximately 8.3 which is closer to 8 than to 9