Basic Math Examples

$(3 \cdot 10^{- 4}) + 0.004$

Step 1

Convert $0.004$ to scientific notation.

$3 \cdot 10^{- 4} + 4 \cdot 10^{- 3}$

Step 2

Move the decimal point in $3$ to the left by $1$ place and increase the power of $10^{- 4}$ by $1$ .

$0.3 \cdot 10^{- 3} + 4 \cdot 10^{- 3}$

Step 3

Factor $10^{- 3}$ out of $0.3 \cdot 10^{- 3} + 4 \cdot 10^{- 3}$ .

$(0.3 + 4) \cdot 10^{- 3}$

Step 4

Add $0.3$ and $4$ .

$4.3 \cdot 10^{- 3}$

Step 5

The result can be shown in multiple forms.

Scientific Notation:

$4.3 \cdot 10^{- 3}$

Expanded Form:

$0.0043$