v ≈ -4.12, 4.12
Put the answer into a calculator;
-√17 = -4.123105626
√17 = 4.123105626
Round to the nearest tenth by looking at the 2nd digit after the decimal point. If it is 5 or greater, round up, otherwise round down.
-√17 = 4.123105626
2 is less than 5, so we leave it as it is.
-√17 ≈ -4.12
√17 = 4.123105626
2 is less than 5, so we leave it as it is.
√17 = 4.12
v ≈ -4.12, 4.12
