Question

Scrieți sub forma unei singure puteri

7,3 • 7,3 la puterea 5 • 7,3 la puterea 7 •.............7,3 la puterea 2005

VA ROG DAU COROANA!!

Answer 1

R------------------------------------------------------------

Answer 2

$7,3\cdot 7,3^5\cdot 7,3^{9}\cdot ...\cdot 7,3^{2005} =\\ \\ = 7,3^{1+5+9+...+2005} = 7,3^{1+(2+3)+(4+5)+...+(1002+1003)} =\\ \\ = 7,3^{\dfrac{1003\cdot 1004}{2}} = 7,3^{1003\cdot 502} = 7,3^{503506}$