Question

16^4•4^10•64^5=

125^42:25^63=

(8^37•81^25):(16^27•27^33)=

(1+5^10):(1+5^10)=

Answer 1

1) (2^4)^4 *(2^2)^10 *(2^6)^5=
=2^16*2^20*2^30=
=2^66

2) (5^3)^42:(5^2)^63=
=5^126:5^126=
=1

3) [(2^3)^37*(3^4)^25]:[(2^4)^27*(3^3)^33]=
=(2^111*3^100):(2^108*3^99)=
=2^3*3=
=8*3=
=24

4) =1