Hey there :)
Question: How many km are in 5.6mm?
=>5.6x10^3
=>5.6x10^-6
=>5.6x10^-3
=> 5.6x10^6
Answer:-

Explanation:-
By using the formula-

As 1 with 6 zeros, we convert it into exponential form.

As this above value is fraction type, we can do the reciprocal, thus, the exponent gets a negative value.

Now combine with given question.
