Algebra Examples

$(7 \cdot 10^{6}) + (4 \cdot 10^{5})$

Step 1

Move the decimal point in $4$ to the left by $1$ place and increase the power of $10^{5}$ by $1$ .

$7 \cdot 10^{6} + 0.4 \cdot 10^{6}$

Step 2

Factor $10^{6}$ out of $7 \cdot 10^{6} + 0.4 \cdot 10^{6}$ .

$(7 + 0.4) \cdot 10^{6}$

Step 3

Add $7$ and $0.4$ .

$7.4 \cdot 10^{6}$