log2a1+log2a2+log2a3+...+log2a10
=log2(a1*a2*...*a10)
=log2(a1^10*q^45)
=10*log2a1+45*log2q=25
log2a1=(25-45)/10
a1=1/4
a1+a2+a3+.+a10
=a1*(q^0+q^1+...+q^9)
=a1*(1-q^10)/(1-q)
=1/4*(2^10-1)
=2^8-1/4
=256-0.25
=255.75