Algebra Examples

$7.9 \cdot 10^{7} + 6.5 \cdot 10^{6}$

Step 1

Move the decimal point in $6.5$ to the left by $1$ place and increase the power of $10^{6}$ by $1$ .

$7.9 \cdot 10^{7} + 0.65 \cdot 10^{7}$

Step 2

Factor $10^{7}$ out of $7.9 \cdot 10^{7} + 0.65 \cdot 10^{7}$ .

$(7.9 + 0.65) \cdot 10^{7}$

Step 3

Add $7.9$ and $0.65$ .

$8.55 \cdot 10^{7}$