Question

If 81=27^X,Then x=??​

Answer 1

Answer:

$81 = {27}^{x} \\ {3}^{4} = {3}^{3x} \\ by \: equating \: \\ 4 = 3x \\ x = \frac{4}{3}$

hope this helps you

Answer 2

Answer:

The weighing machine measures this apparent weight and hence the mass indicated by it is less than the actual mass. Our actual mass will be more than 42 kg.