Answer:
Common logarithm

Natural logarithms

or

Step-by-step explanation:
From the question we are told that

Generally converting log from base x to base 10 si mathematically represented as


Therefore
Common logarithm

Generally Natural logarithms
is mathematically represented as

Therefore
Natural logarithms

or

Answer:
1496
Step-by-step explanation:
check the other answer for explanation
Answer:
$5.12
Step-by-step explanation:
Multiply the cost per pound price by how many pounds of oranges Ben bought
1.60 * 3.20 = 5.12