Question

Evalutae log1°+log2° +..........+log89°​

Answer 1

Answer:

5 is the answer

Step-by-step explanation:

its wrong i gave just for fun

Answer 2

Answer:

to solve : log 1 + log 2+......+log 89

Step-by-step explanation:

a =log 1

d = log 2 - log 1

=log 1

log 89 = a +(n-1)d

log 89= log 1+(n-1) log 1

log 89 - log 1 =(n-1)log 1

log 80 /log 1 =n-1

80 =n-1

80 +1 =n

81 =n

according to me this is the answer