Basic Math Examples

$4 \cdot 10^{6} - 1 \cdot 10^{4}$

Step 1

Move the decimal point in $- 1$ to the left by $2$ places and increase the power of $10^{4}$ by $2$ .

$4 \cdot 10^{6} - 0.01 \cdot 10^{6}$

Step 2

Factor $10^{6}$ out of $4 \cdot 10^{6} - 0.01 \cdot 10^{6}$ .

$(4 - 0.01) \cdot 10^{6}$

Step 3

Subtract $0.01$ from $4$ .

$3.99 \cdot 10^{6}$

Step 4

The result can be shown in multiple forms.

Scientific Notation:

$3.99 \cdot 10^{6}$

Expanded Form:

$3990000$