Basic Math Examples

$(8.1 \cdot 10^{- 8}) - (3.5 \cdot 10^{- 8})$

Step 1

Multiply $- 1$ by $3.5$ .

$8.1 \cdot 10^{- 8} - 3.5 \cdot 10^{- 8}$

Step 2

Factor $10^{- 8}$ out of $8.1 \cdot 10^{- 8} - 3.5 \cdot 10^{- 8}$ .

$(8.1 - 3.5) \cdot 10^{- 8}$

Step 3

Subtract $3.5$ from $8.1$ .

$4.6 \cdot 10^{- 8}$