Pre-Algebra Examples

$- 0.25$

Step 1

Round $- 0.25$ to $- 0.3$ .

$- 0.3$

Step 2

The approximate value of $- 0.25$ found by front end estimation.

$- 0.25 \approx - 0.3$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$