Algebra Examples

$1.3 \cdot 10^{6} - 6.8 \cdot 10^{5}$

Step 1

Move the decimal point in $- 6.8$ to the left by $1$ place and increase the power of $10^{5}$ by $1$ .

$1.3 \cdot 10^{6} - 0.68 \cdot 10^{6}$

Step 2

Factor $10^{6}$ out of $1.3 \cdot 10^{6} - 0.68 \cdot 10^{6}$ .

$(1.3 - 0.68) \cdot 10^{6}$

Step 3

Subtract $0.68$ from $1.3$ .

$0.62 \cdot 10^{6}$

Step 4

Move the decimal point in $0.62$ to the right by $1$ place and decrease the power of $10^{6}$ by $1$ .

$6.2 \cdot 10^{5}$