Question

The solution to (1.5)^x = 7 is approximately 3.8.
A. true
B. false

Answer 1

false.

The thing is infact 1.5^4 is 1.5^2 x 1.5^2

which is 2.25 x 2.25 = 5.0625

Now 1.5^4 = 5.0625 u cannot expect 1.5^3.8 to be even 6, let alone 7. :P