Pre-Algebra Examples

$4 \times 10^{6} \cdot (2.1 \times 10^{9})$

Step 1

Since the exponent of the scientific notation is positive, move the decimal point $6$ places to the right.

$4000000$

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