Evaluate Using Scientific Notation (1.2*10^-5)÷4

$(1.2 \cdot 10^{- 5}) \div 4$

Step 1

Divide using scientific notation.

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

$(\frac{1.2}{4}) (\frac{10^{- 5}}{1})$

Divide $1.2$ by $4$ .

$0.3 \frac{10^{- 5}}{1}$

Divide $10^{- 5}$ by $1$ .

$0.3 \cdot 10^{- 5}$

Step 2

Move the decimal point in $0.3$ to the right by $1$ place and decrease the power of $10^{- 5}$ by $1$ .

$3 \cdot 10^{- 6}$