Algebra Examples

$(2 \cdot 10^{- 4}) \cdot (3.1 \cdot 10^{- 20})$

Step 1

Multiply $2$ by $3.1$ .

$6.2 (10^{- 4} \cdot 10^{- 20})$

Step 2

Multiply $10^{- 4}$ by $10^{- 20}$ 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.

$6.2 \cdot 10^{- 4 - 20}$

Step 2.2

Subtract $20$ from $- 4$ .

$6.2 \cdot 10^{- 24}$