Pre-Algebra Examples

$1.21 \times 10^{5} - 9.5 \times 10^{3}$

Step 1

Since the exponent of the scientific notation is positive, move the decimal point $5$ places to the right.

$121000$

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