Question

The solution of the equation 2^x=49 is approximately 5.61. true or false?

Answer 1

Hello :
2^x=49
 ln(2^x) =  ln (49)
xln(2) = ln(49)
x= ln(49)/ln(2)
but : ln(49)≃3.89 and ln(2)≃0.69
x ≃ 5.63  

Answer 2

False.
answer : +7 or -7.