If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).
If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).
\(23,315\approx23,300\approx23,000\\\\63,756\approx63,800\approx64,000\\\\556,299\approx556,300\approx556,000\\\\5,673,356\approx5,673,400\approx5,673,000\\\\8,945,457\approx8,945,500\approx8,945,000\)
