Algebra Examples

$2.3 \cdot 10^{8} + 4.7 \cdot 10^{7}$

Step 1

Move the decimal point in $4.7$ to the left by $1$ place and increase the power of $10^{7}$ by $1$ .

$2.3 \cdot 10^{8} + 0.47 \cdot 10^{8}$

Step 2

Factor $10^{8}$ out of $2.3 \cdot 10^{8} + 0.47 \cdot 10^{8}$ .

$(2.3 + 0.47) \cdot 10^{8}$

Step 3

Add $2.3$ and $0.47$ .

$2.77 \cdot 10^{8}$