Question

determinati x astfel incat c) 10 la puterea 13 =50 la puterea 13:x la putetrea 13 d) (20:x) la puterea 30 = 4 la puterea 30 raspundetii va rogg dau coroana !! rapid va rogg :(

Answer 1

c)$10^{13} =50^{13} : x^{13}$
$10^{13} =(50 : x)^{13}$
$10=50:x$
$10x=50$
$x=5$

d) $20:x=4$
$20=4x$
$x=5$