Question

The SI unit of length is meter. Suppose we adopt a new unit of length which equals to x meters. The area 1m^2 expressed in terms of the new unit has a magnitude.... a) x b) x^2 c) 1/x d) 1/x^2

Answer 1

the new unit has a magnitude of x^2

Answer 2

The answer is b, x^2.
Using ratio 1m: x m
The area ratio is 1^2 m2: x^2 m2