Step 1. Use Negative Power Rule: [tex] x^{-a} = \frac{1}{ x^{a}} [/tex]
[tex] \frac{1}{140}
\frac{3}[/tex]
Step 2. Simplify
[tex] \frac{1}{140*3} [/tex]
Step 3. Simplify 140 * 3 to 420
[tex] \frac{1}{420} [/tex]
Done! :)
Decimal Form If Needed: 0.002381
