Algebra Examples

$(3.2 \cdot 10^{- 5}) (2.1 \cdot 10^{- 3})$

Step 1

Multiply $3.2$ by $2.1$ .

$6.72 (10^{- 5} \cdot 10^{- 3})$

Step 2

Multiply $10^{- 5}$ 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.

$6.72 \cdot 10^{- 5 - 3}$

Step 2.2

Subtract $3$ from $- 5$ .

$6.72 \cdot 10^{- 8}$