\( (-\frac{1}{8})^8\cdot(-\frac{1}{8})^{-3}=? \)
\( -8^{-5} \)
\( 8^5 \)
\( m^{-n}\cdot n^{-m}\cdot\frac{1}{m}=\text{?} \)
\( \frac{1}{m} \)
\( \frac{n^{-m}}{m^{n+1}} \)
\( \big (\frac{x}{y}\big)^{-7}\cdot\frac{y}{x}\cdot\big(\frac{y}{x}\big)^{-2}=\text{?} \)
\( \frac{6y}{x} \)
\( (\frac{y}{x})^6 \)
(−18)8⋅(−18)−3=? (-\frac{1}{8})^8\cdot(-\frac{1}{8})^{-3}=? (−81)8⋅(−81)−3=?
−8−5 -8^{-5} −8−5
m−n⋅n−m⋅1m=? m^{-n}\cdot n^{-m}\cdot\frac{1}{m}=\text{?} m−n⋅n−m⋅m1=?
n−mmn+1 \frac{n^{-m}}{m^{n+1}} mn+1n−m
(xy)−7⋅yx⋅(yx)−2=? \big (\frac{x}{y}\big)^{-7}\cdot\frac{y}{x}\cdot\big(\frac{y}{x}\big)^{-2}=\text{?} (yx)−7⋅xy⋅(xy)−2=?
(yx)6 (\frac{y}{x})^6 (xy)6