Estimate the value of 6 * √2. Which of the following choices is the best estimate?

9.8

7.1

6.4

8.4

1 answer

To estimate the value of 6 * √2, we can approximate the value of √2 as 1.4 (rounded to one decimal place), since √2 is approximately equal to 1.4142.

Thus, 6 * √2 can be estimated as 6 * 1.4 = 8.4.

Therefore, the best estimate among the given choices is 8.4.