Pre-Algebra Examples

$6.4 \cdot 10^{- 4 + 0.000025}$

Step 1

Add $- 4$ and $0.000025$ .

$6.4 \cdot 10^{- 3.999975}$

Step 2

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$6.4 \cdot \frac{1}{10^{3.999975}}$

Step 3

Raise $10$ to the power of $3.999975$ .

$6.4 \cdot \frac{1}{9999.42437029}$

Step 4

Divide $1$ by $9999.42437029$ .

$6.4 \cdot 0.0001$

Step 5

Multiply $6.4$ by $0.0001$ .

$0.00064003$