Question

Ajutati-ma va rog! e urgent!
a) 10 supra 16 ori 4 supra 5

b) 21 supra 19 impartit (-3 supra 38)

c) 4 supra 5 ori(4 supra 5 ) totul la patrat

d) (2,5) la a sasea impartit (2,5) la a patra

Answer 1

a) $\frac{10}{16}* \frac{4}{5}= \frac{2}{4}= \frac{1}{2}$
c)$(\frac{4}{5}* \frac{4}{5})^2 = (\frac{16}{25})^2= \frac{256}{625}$
d)$2.5^{6}: 2.5^{4}=2.5^2=6.25$
b)$\frac{21}{19}: \frac{-3}{38}= \frac{21}{19}* \frac{38}{-3}= \frac{14}{-3}$