. alguém me ajuda pfvr

A)
Log¹⁰(26) =>
Log¹⁰(2) + Log¹⁰(13) =>
0,3010 + 1,1139 =>
____________________
B)
Log¹⁰(13/2) =>
Log¹⁰(13) - Log¹⁰(2) =>
1,1139 - 0,3010 =>
____________________
C)
Log¹⁰(169) =>
2log¹⁰(13) =>
2(1,1139) =>
Att: MarcosPCV