Question

If (x, 1/100) lies on the graph of y = 10^x, then what is x?

Answer 1

`x=-2`

Explanation:

As `(x,1/100)` lies on `y=10^x`, then

`1/100=10^x`.

But as `1/100=10^(-2)`

`10^(-2)=10^x`

or `x=-2`