Basic Math Examples

$2 \cdot 10^{2} + 4 \cdot 10^{4} + 2 \cdot 10^{2}$

Step 1

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

$0.02 \cdot 10^{4} + 4 \cdot 10^{4} + 2 \cdot 10^{2}$

Step 2

Factor $10^{4}$ out of $0.02 \cdot 10^{4} + 4 \cdot 10^{4}$ .

$(0.02 + 4) \cdot 10^{4} + 2 \cdot 10^{2}$

Step 3

Add $0.02$ and $4$ .

$4.02 \cdot 10^{4} + 2 \cdot 10^{2}$

Step 4

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

$4.02 \cdot 10^{4} + 0.02 \cdot 10^{4}$

Step 5

Factor $10^{4}$ out of $4.02 \cdot 10^{4} + 0.02 \cdot 10^{4}$ .

$(4.02 + 0.02) \cdot 10^{4}$

Step 6

Add $4.02$ and $0.02$ .

$4.04 \cdot 10^{4}$

Step 7

The result can be shown in multiple forms.

Scientific Notation:

$4.04 \cdot 10^{4}$

Expanded Form:

$40400$