Aplique as propriedades das potências e represente em uma única potência: a) 4³. 2⁰. 2³
—————
8⁴.2⁴

b) 5³. 25⁴
—————
5²

c)( x⁵ . x² )³​

for any of you who need the translation here it is

step-by-step explanation:

find the angular size of the equatorial radius of the earth, if the horizontal parallax of the sun

40 minutes

step-by-step explanation:

add the time and multiply by 2

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

your answer   is c

step-by-step explanation: