Algebra Examples

$0.00067 - 2.3 \cdot 10^{- 5}$

Step 1

Convert $0.00067$ to scientific notation.

$6.7 \cdot 10^{- 4} - 2.3 \cdot 10^{- 5}$

Step 2

Move the decimal point in $- 2.3$ to the left by $1$ place and increase the power of $10^{- 5}$ by $1$ .

$6.7 \cdot 10^{- 4} - 0.23 \cdot 10^{- 4}$

Step 3

Factor $10^{- 4}$ out of $6.7 \cdot 10^{- 4} - 0.23 \cdot 10^{- 4}$ .

$(6.7 - 0.23) \cdot 10^{- 4}$

Step 4

Subtract $0.23$ from $6.7$ .

$6.47 \cdot 10^{- 4}$