Basic Math Examples

$(4.2 \cdot 10^{- 13}) (8.4 \cdot 10^{2})$

Step 1

Multiply $4.2$ by $8.4$ .

$35.28 (10^{- 13} \cdot 10^{2})$

Step 2

Multiply $10^{- 13}$ by $10^{2}$ 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.

$35.28 \cdot 10^{- 13 + 2}$

Step 2.2

Add $- 13$ and $2$ .

$35.28 \cdot 10^{- 11}$

Step 3

Move the decimal point in $35.28$ to the left by $1$ place and increase the power of $10^{- 11}$ by $1$ .

$3.528 \cdot 10^{- 10}$