log10(10) + log10(100) + log10(1000) + log10(10000) + log10(100000) is equal to ?




log10(10) + log10(100) + log10(1000) + log10(10000) + log10(100000) is equal to ?

A. 15

B. log 11111

C. log10 (1111)

D. 14 log10 (100)

Answer : A. 15


Explanation :


Here are some values to base ten represented as logarithms :

Value As 10 raised to a power Log to base 10
1 10 0 0
10 10 1 1
100 10 2 2
1000 10 3 3
10000 10 4 4
100000 10 5 5

1 + 2 + 3 + 4 + 5 = 15


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