3. Which of the following numbers is/are positive ?
1
(A) In 2 + In 3 + In 0.161
(B) In 3 + In(1.4) - In 16

Neither expression (A) nor expression (B) would be positive. A calculator is not required.

Step-by-step explanation:

Assume that and are both positive real numbers. Consider the property of logarithms with the same base:

.

.

Apply these two properties to combine the logarithms in each expression into a one.

First expression:

.

Second expression:

.

The logarithm of a real number is positive if and only if that number is greater than one.

Neither nor is greater than one. Therefore, neither of their respective logarithms would be positive.

step-by-step explanation:

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a triangular prism is a 3 dimensional shape composed of triangles and rectangles. it is made from two triangular bases and three rectangular sides.