Basic Math Examples

$(2 \cdot 10^{- 3}) (2.19 \cdot 10^{3})$

Step 1

Multiply $2$ by $2.19$ .

$4.38 (10^{- 3} \cdot 10^{3})$

Step 2

Multiply $10^{- 3}$ by $10^{3}$ by adding the exponents.

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Step 2.1

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$4.38 \cdot 10^{- 3 + 3}$

Step 2.2

Add $- 3$ and $3$ .

$4.38 \cdot 10^{0}$

Step 3

Simplify $10^{0}$ .

$4.38 \cdot 1$

Step 4

Multiply $4.38$ by $1$ .

$4.38$