Evaluate .

Answer and explanation

Correct answer: C. 6

  1. Step 1: , so the sum is .
  2. Step 2: , so the value is .
Answer
6.
Why not the others: 20: the arguments are added. 64: the product is not converted to a logarithm.

Practise more Exponents and Logarithms.

Free questions with an explanation for every one, and full timed EJU Japan mock tests.

All Exponents and Logarithms questionsTake a mock test

More Exponents and Logarithms questions