Question

Log 5 (3125x625) =

Log 2 1024=

Answer 1

a)

$\log_5{\left(3125\times625\right)}=\log_5{\left(5^5\times5^4\right)}=\log_5{5^9}=9\log_5{5}=\boxed{9}$

b)

$\log_2{1024}=\log_2{2^{10}}=10\log_2{2}=\boxed{10}$