<span><span><span><span><span><span><span> 2целых семь девятых =25/9=(5/3)</span></span></span></span></span></span></span>²<span><span><span><span><span><span><span> х в 4 степени =(x</span></span></span></span></span></span></span>²)²<span><span><span><span><span><span><span> у во 2 степени=y</span></span></span></span></span></span></span>²<span><span><span><span><span><span><span> z в 8 степени .=(z^4)</span></span></span></span></span></span></span>²<span><span><span><span><span><span><span> 0,027 m в 9 степени=(0.3m</span></span></span></span></span></span></span>³<span><span><span><span><span><span><span>)</span></span></span></span></span></span></span>³<span><span><span><span><span><span><span> n в 6 степе=(n</span></span></span></span></span></span></span>²)³=(n³)²