Question

Can someone please help me

Answer 1

Answer:

- 3

Step-by-step explanation:

As,

- 0.0084

When estimated,

= - 0.008

$= \frac{ - 8}{1000}$

Then,

$- 8 \times \frac{1}{1000}$

$= - 8 \times {10}^{ - 3}$

Here,

Power of ten as observed is -3