Pre-Algebra Examples

$3.2 \cdot 10^{5} + 4.9 \cdot 10^{8}$

Step 1

Move the decimal point in $3.2$ to the left by $3$ places and increase the power of $10^{5}$ by $3$ .

$0.0032 \cdot 10^{8} + 4.9 \cdot 10^{8}$

Step 2

Factor $10^{8}$ out of $0.0032 \cdot 10^{8} + 4.9 \cdot 10^{8}$ .

$(0.0032 + 4.9) \cdot 10^{8}$

Step 3

Add $0.0032$ and $4.9$ .

$4.9032 \cdot 10^{8}$

Step 4

The result can be shown in multiple forms.

Scientific Notation:

$4.9032 \cdot 10^{8}$

Expanded Form:

$490320000$