Basic Math Examples

$\frac{1280}{3.2 \cdot 10^{- 6}}$

Step 1

Divide using scientific notation.

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Step 1.1

Group coefficients together and exponents together to divide numbers in scientific notation.

$(\frac{1280}{3.2}) (\frac{1}{10^{- 6}})$

Step 1.2

Divide $1280$ by $3.2$ .

$400 \frac{1}{10^{- 6}}$

Step 1.3

Move $10^{- 6}$ to the numerator using the negative exponent rule $\frac{1}{b^{- n}} = b^{n}$ .

$400 \cdot 10^{6}$

Step 2

Move the decimal point in $400$ to the left by $2$ places and increase the power of $10^{6}$ by $2$ .

$4 \cdot 10^{8}$

Step 3

The result can be shown in multiple forms.

Scientific Notation:

$4 \cdot 10^{8}$

Expanded Form:

$400000000$