Question

What is the solution of the equation below? Round your answer to

two decimal places.

10 times log(4x) = 25

Answer 1

(A) 79.06 is the correct answer!

Answer 2

x ≅ 79.1

Explanation:

10log(4x) = 25

2log(4x) = 5

log((4x)²) = 5

(4x)² = 10⁵

16x² = 100,000

x² = 6,250

x ≅ 79.1