-7√0,17

To simplify the expression -7√0.17, we can compute the square root of 0.17 first.

√0.17 ≈ 0.4123 (rounded to four decimal places).

Then, we can multiply this result by -7.

-7√0.17 ≈ -7(0.4123) ≈ -2.8861 (rounded to four decimal places).

Therefore, the simplified expression is approximately -2.8861.