Question

write the following numbers in expanded form

Plz give me fast this solution
if you know

Answer 1

$9 \times {10}^{ - 4} \\ = \frac{9}{ {10}^{4} } \\ = \frac{9}{10000} \\ = 0.0009$

Answer 2

hey here is your answer

The answer is 0.0009